131354657 has 16 divisors (see below), whose sum is σ = 163123200. Its totient is φ = 103219920.

The previous prime is 131354653. The next prime is 131354669. The reversal of 131354657 is 756453131.

It is a cyclic number.

It is not a de Polignac number, because 131354657 - 2² = 131354653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131354651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11807 + ... + 20052.

It is an arithmetic number, because the mean of its divisors is an integer number (10195200).

Almost surely, 2^131354657 is an apocalyptic number.

It is an amenable number.

131354657 is a deficient number, since it is larger than the sum of its proper divisors (31768543).

131354657 is a wasteful number, since it uses less digits than its factorization.

131354657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31916.

The product of its digits is 37800, while the sum is 35.

The square root of 131354657 is about 11461.0059331631. The cubic root of 131354657 is about 508.3332193377. Note that the first 3 decimals are identical.

The spelling of 131354657 in words is "one hundred thirty-one million, three hundred fifty-four thousand, six hundred fifty-seven".