It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 138 039 001 is not a prime number.
For example, 138 039 001 can be divided by 31: 138 039 001 / 31 = 4 452 871.
For 138 039 001 to be a prime number, it would have been required that 138 039 001 has only two divisors, i.e., itself and 1.
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138 039 001 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 138 039 001 is 11 749.
Therefore, the square root of 138 039 001 is an integer, and as a consequence 138 039 001 is a perfect square.
As a consequence, 11 749 is the square root of 138 039 001.
The square of a number (here 138 039 001) is the result of the product of this number (138 039 001) by itself (i.e., 138 039 001 × 138 039 001); the square of 138 039 001 is sometimes called "raising 138 039 001 to the power 2", or "138 039 001 squared".
The square of 138 039 001 is 19 054 765 797 078 000 because 138 039 001 × 138 039 001 = 138 039 0012 = 19 054 765 797 078 000.
As a consequence, 138 039 001 is the square root of 19 054 765 797 078 000.
138 039 001 is a number with 9 digits.
The multiples of 138 039 001 are all integers evenly divisible by 138 039 001, that is all numbers such that the remainder of the division by 138 039 001 is zero. There are infinitely many multiples of 138 039 001. The smallest multiples of 138 039 001 are: