131313976 has 8 divisors (see below), whose sum is σ = 246213720. Its totient is φ = 65656984.

The previous prime is 131313947. The next prime is 131313977. The reversal of 131313976 is 679313131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8207116 + ... + 8207131.

It is an arithmetic number, because the mean of its divisors is an integer number (30776715).

Almost surely, 2^131313976 is an apocalyptic number.

It is an amenable number.

131313976 is a deficient number, since it is larger than the sum of its proper divisors (114899744).

131313976 is a wasteful number, since it uses less digits than its factorization.

131313976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16414253 (or 16414249 counting only the distinct ones).

The product of its digits is 10206, while the sum is 34.

The square root of 131313976 is about 11459.2310387739. The cubic root of 131313976 is about 508.2807363897.

The spelling of 131313976 in words is "one hundred thirty-one million, three hundred thirteen thousand, nine hundred seventy-six".