131002139894532 has 24 divisors (see below), whose sum is σ = 305697275747136. Its totient is φ = 43663720537248.

The previous prime is 131002139894531. The next prime is 131002139894543. The reversal of 131002139894532 is 235498931200131.

It is not an unprimeable number, because it can be changed into a prime (131002139894531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457279288 + ... + 457565679.

It is an arithmetic number, because the mean of its divisors is an integer number (12737386489464).

Almost surely, 2^{131002139894532} is an apocalyptic number.

131002139894532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131002139894532 is an abundant number, since it is smaller than the sum of its proper divisors (174695135852604).

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

131002139894532 is a wasteful number, since it uses less digits than its factorization.

131002139894532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914856907 (or 914856905 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 131002139894532 in words is "one hundred thirty-one trillion, two billion, one hundred thirty-nine million, eight hundred ninety-four thousand, five hundred thirty-two".