131481858278832 has 160 divisors (see below), whose sum is σ = 345315317571840. Its totient is φ = 43104828948480.

The previous prime is 131481858278807. The next prime is 131481858278917. The reversal of 131481858278832 is 238872858184131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504186108 + ... + 504446820.

It is an arithmetic number, because the mean of its divisors is an integer number (2158220734824).

Almost surely, 2^{131481858278832} is an apocalyptic number.

131481858278832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131481858278832 is an abundant number, since it is smaller than the sum of its proper divisors (213833459293008).

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

131481858278832 is a wasteful number, since it uses less digits than its factorization.

131481858278832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261571 (or 261565 counting only the distinct ones).

The product of its digits is 165150720, while the sum is 69.

The spelling of 131481858278832 in words is "one hundred thirty-one trillion, four hundred eighty-one billion, eight hundred fifty-eight million, two hundred seventy-eight thousand, eight hundred thirty-two".