131169976 has 32 divisors (see below), whose sum is σ = 282653280. Its totient is φ = 55900800.

The previous prime is 131169971. The next prime is 131169979. The reversal of 131169976 is 679961131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131169971) by changing a digit.

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, 3666 + ... + 16606.

It is an arithmetic number, because the mean of its divisors is an integer number (8832915).

Almost surely, 2^131169976 is an apocalyptic number.

It is an amenable number.

131169976 is an abundant number, since it is smaller than the sum of its proper divisors (151483304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131169976 is a wasteful number, since it uses less digits than its factorization.

131169976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13135 (or 13131 counting only the distinct ones).

The product of its digits is 61236, while the sum is 43.

The square root of 131169976 is about 11452.9461711823. The cubic root of 131169976 is about 508.0948734702.

The spelling of 131169976 in words is "one hundred thirty-one million, one hundred sixty-nine thousand, nine hundred seventy-six".