131126456 has 8 divisors (see below), whose sum is σ = 245862120. Its totient is φ = 65563224.

The previous prime is 131126447. The next prime is 131126477. The reversal of 131126456 is 654621131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8195396 + ... + 8195411.

It is an arithmetic number, because the mean of its divisors is an integer number (30732765).

Almost surely, 2^131126456 is an apocalyptic number.

It is an amenable number.

131126456 is a deficient number, since it is larger than the sum of its proper divisors (114735664).

131126456 is a wasteful number, since it uses less digits than its factorization.

131126456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16390813 (or 16390809 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 131126456 is about 11451.0460657531. The cubic root of 131126456 is about 508.0386747996.

Adding to 131126456 its reverse (654621131), we get a palindrome (785747587).

The spelling of 131126456 in words is "one hundred thirty-one million, one hundred twenty-six thousand, four hundred fifty-six".