It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 238 648 is not a prime number.
For example, 137 238 648 can be divided by 2: 137 238 648 / 2 = 68 619 324.
For 137 238 648 to be a prime number, it would have been required that 137 238 648 has only two divisors, i.e., itself and 1.
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137 238 648 is an even number, because it is evenly divisible by 2: 137 238 648 / 2 = 68 619 324.
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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 137 238 648 is about 11 714.890.
Thus, the square root of 137 238 648 is not an integer, and therefore 137 238 648 is not a square number.
The square of a number (here 137 238 648) is the result of the product of this number (137 238 648) by itself (i.e., 137 238 648 × 137 238 648); the square of 137 238 648 is sometimes called "raising 137 238 648 to the power 2", or "137 238 648 squared".
The square of 137 238 648 is 18 834 446 504 867 904 because 137 238 648 × 137 238 648 = 137 238 6482 = 18 834 446 504 867 904.
As a consequence, 137 238 648 is the square root of 18 834 446 504 867 904.
137 238 648 is a number with 9 digits.
The multiples of 137 238 648 are all integers evenly divisible by 137 238 648, that is all numbers such that the remainder of the division by 137 238 648 is zero. There are infinitely many multiples of 137 238 648. The smallest multiples of 137 238 648 are: