131564507 has 8 divisors (see below), whose sum is σ = 133066752. Its totient is φ = 130069800.

The previous prime is 131564501. The next prime is 131564533. The reversal of 131564507 is 705465131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131564507 - 2⁶ = 131564443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131564501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37832 + ... + 41162.

It is an arithmetic number, because the mean of its divisors is an integer number (16633344).

Almost surely, 2^131564507 is an apocalyptic number.

131564507 is a deficient number, since it is larger than the sum of its proper divisors (1502245).

131564507 is a wasteful number, since it uses less digits than its factorization.

131564507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 131564507 is about 11470.1572351908. The cubic root of 131564507 is about 508.6037768552.

The spelling of 131564507 in words is "one hundred thirty-one million, five hundred sixty-four thousand, five hundred seven".