Is 134142467 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
Yes, 134 142 467 is a prime number.
Indeed, the definition of a prime numbers is to have exactly two distinct positive divisors, 1 and itself. A number is a divisor of another number when the remainder of Euclid’s division of the second one by the first one is zero. Concerning the number 134 142 467, the only two divisors are 1 and 134 142 467. Therefore 134 142 467 is a prime number.
As a consequence, 134 142 467 is only a multiple of 1 and 134 142 467.
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Since 134142467 is a prime number, 134142467 is also a deficient number, that is to say 134142467 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 134142467 without 134142467 itself (that is 1, by definition!).