131567864 has 32 divisors (see below), whose sum is σ = 251424000. Its totient is φ = 64532832.

The previous prime is 131567851. The next prime is 131567873. The reversal of 131567864 is 468765131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112547 + ... + 113709.

It is an arithmetic number, because the mean of its divisors is an integer number (7857000).

Almost surely, 2^131567864 is an apocalyptic number.

It is an amenable number.

131567864 is a deficient number, since it is larger than the sum of its proper divisors (119856136).

131567864 is a wasteful number, since it uses less digits than its factorization.

131567864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1423 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 131567864 is about 11470.3035705251. The cubic root of 131567864 is about 508.6081026631.

The spelling of 131567864 in words is "one hundred thirty-one million, five hundred sixty-seven thousand, eight hundred sixty-four".