131116604 has 12 divisors (see below), whose sum is σ = 235655784. Its totient is φ = 63786384.

The previous prime is 131116553. The next prime is 131116619. The reversal of 131116604 is 406611131.

It is a self number, because there is not a number n which added to its sum of digits gives 131116604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442814 + ... + 443109.

It is an arithmetic number, because the mean of its divisors is an integer number (19637982).

Almost surely, 2^131116604 is an apocalyptic number.

It is an amenable number.

131116604 is a deficient number, since it is larger than the sum of its proper divisors (104539180).

131116604 is a wasteful number, since it uses less digits than its factorization.

131116604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885964 (or 885962 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 131116604 is about 11450.6158786329. The cubic root of 131116604 is about 508.0259508929.

Adding to 131116604 its reverse (406611131), we get a palindrome (537727735).

The spelling of 131116604 in words is "one hundred thirty-one million, one hundred sixteen thousand, six hundred four".