131577976 has 32 divisors (see below), whose sum is σ = 254001600. Its totient is φ = 63872640.

The previous prime is 131577961. The next prime is 131577989. The reversal of 131577976 is 679775131.

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 7 ways as a sum of consecutive naturals, for example, 36846 + ... + 40258.

It is an arithmetic number, because the mean of its divisors is an integer number (7937550).

Almost surely, 2^131577976 is an apocalyptic number.

It is an amenable number.

131577976 is a deficient number, since it is larger than the sum of its proper divisors (122423624).

131577976 is a wasteful number, since it uses less digits than its factorization.

131577976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3555 counting only the distinct ones).

The product of its digits is 277830, while the sum is 46.

The square root of 131577976 is about 11470.7443524821. The cubic root of 131577976 is about 508.6211324745.

The spelling of 131577976 in words is "one hundred thirty-one million, five hundred seventy-seven thousand, nine hundred seventy-six".