131462220 has 48 divisors (see below), whose sum is σ = 380792160. Its totient is φ = 33847296.

The previous prime is 131462213. The next prime is 131462281. The reversal of 131462220 is 22264131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36037 + ... + 39516.

It is an arithmetic number, because the mean of its divisors is an integer number (7933170).

Almost surely, 2^131462220 is an apocalyptic number.

131462220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131462220 is an abundant number, since it is smaller than the sum of its proper divisors (249329940).

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

131462220 is a wasteful number, since it uses less digits than its factorization.

131462220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75594 (or 75592 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 131462220 is about 11465.6975365653. The cubic root of 131462220 is about 508.4719352115.

The spelling of 131462220 in words is "one hundred thirty-one million, four hundred sixty-two thousand, two hundred twenty".