131958980 has 12 divisors (see below), whose sum is σ = 277113900. Its totient is φ = 52783584.

The previous prime is 131958973. The next prime is 131959007. The reversal of 131958980 is 89859131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22505536 + 109453444 = 4744^2 + 10462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3298955 + ... + 3298994.

It is an arithmetic number, because the mean of its divisors is an integer number (23092825).

Almost surely, 2^131958980 is an apocalyptic number.

131958980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131958980 is an abundant number, since it is smaller than the sum of its proper divisors (145154920).

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

131958980 is a wasteful number, since it uses less digits than its factorization.

131958980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597958 (or 6597956 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 131958980 is about 11487.3399880042. The cubic root of 131958980 is about 509.1115892767. Note that the first 3 decimals are identical.

The spelling of 131958980 in words is "one hundred thirty-one million, nine hundred fifty-eight thousand, nine hundred eighty".