131664360 has 32 divisors (see below), whose sum is σ = 394993440. Its totient is φ = 35110464.

The previous prime is 131664331. The next prime is 131664367. The reversal of 131664360 is 63466131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (131664367) 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, 548482 + ... + 548721.

It is an arithmetic number, because the mean of its divisors is an integer number (12343545).

Almost surely, 2^131664360 is an apocalyptic number.

131664360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131664360 is an abundant number, since it is smaller than the sum of its proper divisors (263329080).

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

131664360 is a wasteful number, since it uses less digits than its factorization.

131664360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097217 (or 1097213 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 131664360 is about 11474.5091398282. The cubic root of 131664360 is about 508.7324153239.

The spelling of 131664360 in words is "one hundred thirty-one million, six hundred sixty-four thousand, three hundred sixty".