131578451400 has 96 divisors (see below), whose sum is σ = 444974421600. Its totient is φ = 31897804800.

The previous prime is 131578451399. The next prime is 131578451413. The reversal of 131578451400 is 4154875131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9961465 + ... + 9974664.

It is an arithmetic number, because the mean of its divisors is an integer number (4635150225).

Almost surely, 2^131578451400 is an apocalyptic number.

131578451400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131578451400 is an abundant number, since it is smaller than the sum of its proper divisors (313395970200).

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

131578451400 is a wasteful number, since it uses less digits than its factorization.

131578451400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19936159 (or 19936150 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 131578451400 in words is "one hundred thirty-one billion, five hundred seventy-eight million, four hundred fifty-one thousand, four hundred".