131080660 has 24 divisors (see below), whose sum is σ = 280465416. Its totient is φ = 51442560.

The previous prime is 131080597. The next prime is 131080661. The reversal of 131080660 is 66080131.

131080660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5326864 + 125753796 = 2308^2 + 11214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131080661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60771 + ... + 62890.

It is an arithmetic number, because the mean of its divisors is an integer number (11686059).

Almost surely, 2^131080660 is an apocalyptic number.

131080660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131080660 is an abundant number, since it is smaller than the sum of its proper divisors (149384756).

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

131080660 is a wasteful number, since it uses less digits than its factorization.

131080660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123723 (or 123721 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 131080660 is about 11449.0462484873. The cubic root of 131080660 is about 507.9795236337.

The spelling of 131080660 in words is "one hundred thirty-one million, eighty thousand, six hundred sixty".