131140511504 has 20 divisors (see below), whose sum is σ = 254095403520. Its totient is φ = 65567504160.

The previous prime is 131140511483. The next prime is 131140511519. The reversal of 131140511504 is 405115041131.

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, 253049 + ... + 571239.

It is an arithmetic number, because the mean of its divisors is an integer number (12704770176).

Almost surely, 2^131140511504 is an apocalyptic number.

It is an amenable number.

131140511504 is a deficient number, since it is larger than the sum of its proper divisors (122954892016).

131140511504 is a wasteful number, since it uses less digits than its factorization.

131140511504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343958 (or 343952 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 131140511504 its reverse (405115041131), we get a palindrome (536255552635).

The spelling of 131140511504 in words is "one hundred thirty-one billion, one hundred forty million, five hundred eleven thousand, five hundred four".