131800956 has 48 divisors (see below), whose sum is σ = 360976896. Its totient is φ = 36638784.

The previous prime is 131800951. The next prime is 131800961. The reversal of 131800956 is 659008131.

It is an interprime number because it is at equal distance from previous prime (131800951) and next prime (131800961).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131800951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18096 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (7520352).

Almost surely, 2^131800956 is an apocalyptic number.

It is an amenable number.

131800956 is an abundant number, since it is smaller than the sum of its proper divisors (229175940).

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

131800956 is a wasteful number, since it uses less digits than its factorization.

131800956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42458 (or 42456 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 131800956 is about 11480.4597468917. The cubic root of 131800956 is about 508.9082837103.

The spelling of 131800956 in words is "one hundred thirty-one million, eight hundred thousand, nine hundred fifty-six".