131518264 has 16 divisors (see below), whose sum is σ = 247705920. Its totient is φ = 65463360.

The previous prime is 131518259. The next prime is 131518271. The reversal of 131518264 is 462815131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35077 + ... + 38644.

It is an arithmetic number, because the mean of its divisors is an integer number (15481620).

Almost surely, 2^131518264 is an apocalyptic number.

It is an amenable number.

131518264 is a deficient number, since it is larger than the sum of its proper divisors (116187656).

131518264 is a wasteful number, since it uses less digits than its factorization.

131518264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73950 (or 73946 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 131518264 is about 11468.1412617739. The cubic root of 131518264 is about 508.5441809426.

The spelling of 131518264 in words is "one hundred thirty-one million, five hundred eighteen thousand, two hundred sixty-four".