131500085 has 16 divisors (see below), whose sum is σ = 167460480. Its totient is φ = 98915520.

The previous prime is 131500051. The next prime is 131500093. The reversal of 131500085 is 580005131.

It is not a de Polignac number, because 131500085 - 2⁸ = 131499829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 131500085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2906 + ... + 16475.

It is an arithmetic number, because the mean of its divisors is an integer number (10466280).

Almost surely, 2^131500085 is an apocalyptic number.

It is an amenable number.

131500085 is a deficient number, since it is larger than the sum of its proper divisors (35960395).

131500085 is a wasteful number, since it uses less digits than its factorization.

131500085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19468.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 131500085 is about 11467.3486473552. The cubic root of 131500085 is about 508.5207488342.

The spelling of 131500085 in words is "one hundred thirty-one million, five hundred thousand, eighty-five".