131715567 has 6 divisors (see below), whose sum is σ = 190255832. Its totient is φ = 87810372.

The previous prime is 131715557. The next prime is 131715601. The reversal of 131715567 is 765517131.

131715567 is a `hidden beast` number, since 1 + 31 + 71 + 556 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-131715567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131715517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7317523 + ... + 7317540.

Almost surely, 2^131715567 is an apocalyptic number.

131715567 is a deficient number, since it is larger than the sum of its proper divisors (58540265).

131715567 is a wasteful number, since it uses less digits than its factorization.

131715567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14635069 (or 14635066 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 131715567 is about 11476.7402601958. The cubic root of 131715567 is about 508.7983589711.

The spelling of 131715567 in words is "one hundred thirty-one million, seven hundred fifteen thousand, five hundred sixty-seven".