131460660 has 72 divisors (see below), whose sum is σ = 422230536. Its totient is φ = 32993280.

The previous prime is 131460611. The next prime is 131460671. The reversal of 131460660 is 66064131.

It can be written as a sum of positive squares in 4 ways, for example, as 7717284 + 123743376 = 2778^2 + 11124^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18421 + ... + 24540.

It is an arithmetic number, because the mean of its divisors is an integer number (5864313).

Almost surely, 2^131460660 is an apocalyptic number.

131460660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131460660 is an abundant number, since it is smaller than the sum of its proper divisors (290769876).

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

131460660 is a wasteful number, since it uses less digits than its factorization.

131460660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42993 (or 42988 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 131460660 is about 11465.6295073581. The cubic root of 131460660 is about 508.4699239382.

The spelling of 131460660 in words is "one hundred thirty-one million, four hundred sixty thousand, six hundred sixty".