131885400 has 48 divisors (see below), whose sum is σ = 408846600. Its totient is φ = 35169280.

The previous prime is 131885387. The next prime is 131885437. The reversal of 131885400 is 4588131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109305 + ... + 110504.

Almost surely, 2^131885400 is an apocalyptic number.

131885400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131885400 is an abundant number, since it is smaller than the sum of its proper divisors (276961200).

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

131885400 is a wasteful number, since it uses less digits than its factorization.

131885400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219828 (or 219819 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 131885400 is about 11484.1368852866. The cubic root of 131885400 is about 509.0169452302.

The spelling of 131885400 in words is "one hundred thirty-one million, eight hundred eighty-five thousand, four hundred".