131880840 has 192 divisors, whose sum is σ = 490147200. Its totient is φ = 27795456.

The previous prime is 131880829. The next prime is 131880877. The reversal of 131880840 is 48088131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141496 + ... + 142424.

It is an arithmetic number, because the mean of its divisors is an integer number (2552850).

Almost surely, 2^131880840 is an apocalyptic number.

131880840 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 131880840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245073600).

131880840 is an abundant number, since it is smaller than the sum of its proper divisors (358266360).

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

131880840 is a wasteful number, since it uses less digits than its factorization.

131880840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 131880840 is about 11483.9383488418. The cubic root of 131880840 is about 509.0110786621.

The spelling of 131880840 in words is "one hundred thirty-one million, eight hundred eighty thousand, eight hundred forty".