131546660 has 48 divisors (see below), whose sum is σ = 329446656. Its totient is φ = 43139712.

The previous prime is 131546651. The next prime is 131546669. The reversal of 131546660 is 66645131.

It is an interprime number because it is at equal distance from previous prime (131546651) and next prime (131546669).

It is not an unprimeable number, because it can be changed into a prime (131546669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17207 + ... + 23646.

It is an arithmetic number, because the mean of its divisors is an integer number (6863472).

Almost surely, 2^131546660 is an apocalyptic number.

131546660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131546660 is an abundant number, since it is smaller than the sum of its proper divisors (197899996).

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

131546660 is a wasteful number, since it uses less digits than its factorization.

131546660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40892 (or 40890 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 131546660 is about 11469.3792334197. The cubic root of 131546660 is about 508.5807780938.

The spelling of 131546660 in words is "one hundred thirty-one million, five hundred forty-six thousand, six hundred sixty".