It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 607 138 is not a prime number.
For example, 137 607 138 can be divided by 2: 137 607 138 / 2 = 68 803 569.
For 137 607 138 to be a prime number, it would have been required that 137 607 138 has only two divisors, i.e., itself and 1.
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137 607 138 is an even number, because it is evenly divisible by 2: 137 607 138 / 2 = 68 803 569.
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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 137 607 138 is about 11 730.607.
Thus, the square root of 137 607 138 is not an integer, and therefore 137 607 138 is not a square number.
The square of a number (here 137 607 138) is the result of the product of this number (137 607 138) by itself (i.e., 137 607 138 × 137 607 138); the square of 137 607 138 is sometimes called "raising 137 607 138 to the power 2", or "137 607 138 squared".
The square of 137 607 138 is 18 935 724 428 551 044 because 137 607 138 × 137 607 138 = 137 607 1382 = 18 935 724 428 551 044.
As a consequence, 137 607 138 is the square root of 18 935 724 428 551 044.
137 607 138 is a number with 9 digits.
The multiples of 137 607 138 are all integers evenly divisible by 137 607 138, that is all numbers such that the remainder of the division by 137 607 138 is zero. There are infinitely many multiples of 137 607 138. The smallest multiples of 137 607 138 are: