131056151640 has 128 divisors (see below), whose sum is σ = 402496300800. Its totient is φ = 34119912960.

The previous prime is 131056151617. The next prime is 131056151663. The reversal of 131056151640 is 46151650131.

It is an interprime number because it is at equal distance from previous prime (131056151617) and next prime (131056151663).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 15006075 + ... + 15014805.

It is an arithmetic number, because the mean of its divisors is an integer number (3144502350).

Almost surely, 2^131056151640 is an apocalyptic number.

131056151640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131056151640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201248150400).

131056151640 is an abundant number, since it is smaller than the sum of its proper divisors (271440149160).

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

131056151640 is a wasteful number, since it uses less digits than its factorization.

131056151640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11697 (or 11693 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 131056151640 in words is "one hundred thirty-one billion, fifty-six million, one hundred fifty-one thousand, six hundred forty".