131207604 has 24 divisors (see below), whose sum is σ = 333983328. Its totient is φ = 39759840.

The previous prime is 131207579. The next prime is 131207623. The reversal of 131207604 is 406702131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496867 + ... + 497130.

It is an arithmetic number, because the mean of its divisors is an integer number (13915972).

Almost surely, 2^131207604 is an apocalyptic number.

It is an amenable number.

131207604 is an abundant number, since it is smaller than the sum of its proper divisors (202775724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131207604 is a wasteful number, since it uses less digits than its factorization.

131207604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994015 (or 994013 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 131207604 is about 11454.5887748099. The cubic root of 131207604 is about 508.1434536068.

Adding to 131207604 its reverse (406702131), we get a palindrome (537909735).

The spelling of 131207604 in words is "one hundred thirty-one million, two hundred seven thousand, six hundred four".