131717764 has 12 divisors (see below), whose sum is σ = 231384384. Its totient is φ = 65607944.

The previous prime is 131717759. The next prime is 131717767. The reversal of 131717764 is 467717131.

It is not an unprimeable number, because it can be changed into a prime (131717767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61552 + ... + 63655.

It is an arithmetic number, because the mean of its divisors is an integer number (19282032).

Almost surely, 2^131717764 is an apocalyptic number.

It is an amenable number.

131717764 is a deficient number, since it is larger than the sum of its proper divisors (99666620).

131717764 is a wasteful number, since it uses less digits than its factorization.

131717764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125474 (or 125472 counting only the distinct ones).

The product of its digits is 24696, while the sum is 37.

The square root of 131717764 is about 11476.8359751283. The cubic root of 131717764 is about 508.8011878540.

The spelling of 131717764 in words is "one hundred thirty-one million, seven hundred seventeen thousand, seven hundred sixty-four".