It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 134 138 is not a prime number.
For example, 134 138 can be divided by 2: 134 138 / 2 = 67 069.
For 134 138 to be a prime number, it would have been required that 134 138 has only two divisors, i.e., itself and 1.
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134 138 is an even number, because it is evenly divisible by 2: 134 138 / 2 = 67 069.
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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 134 138 is about 366.249.
Thus, the square root of 134 138 is not an integer, and therefore 134 138 is not a square number.
The square of a number (here 134 138) is the result of the product of this number (134 138) by itself (i.e., 134 138 × 134 138); the square of 134 138 is sometimes called "raising 134 138 to the power 2", or "134 138 squared".
The square of 134 138 is 17 993 003 044 because 134 138 × 134 138 = 134 1382 = 17 993 003 044.
As a consequence, 134 138 is the square root of 17 993 003 044.
The multiples of 134 138 are all integers evenly divisible by 134 138, that is all numbers such that the remainder of the division by 134 138 is zero. There are infinitely many multiples of 134 138. The smallest multiples of 134 138 are: