It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 134 671 is not a prime number.
For example, 134 671 can be divided by 137: 134 671 / 137 = 983.
For 134 671 to be a prime number, it would have been required that 134 671 has only two divisors, i.e., itself and 1.
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134 671 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 134 671 is about 366.975.
Thus, the square root of 134 671 is not an integer, and therefore 134 671 is not a square number.
The square of a number (here 134 671) is the result of the product of this number (134 671) by itself (i.e., 134 671 × 134 671); the square of 134 671 is sometimes called "raising 134 671 to the power 2", or "134 671 squared".
The square of 134 671 is 18 136 278 241 because 134 671 × 134 671 = 134 6712 = 18 136 278 241.
As a consequence, 134 671 is the square root of 18 136 278 241.
The multiples of 134 671 are all integers evenly divisible by 134 671, that is all numbers such that the remainder of the division by 134 671 is zero. There are infinitely many multiples of 134 671. The smallest multiples of 134 671 are: