131952666 has 16 divisors (see below), whose sum is σ = 264197088. Its totient is φ = 43935600.

The previous prime is 131952631. The next prime is 131952677. The reversal of 131952666 is 666259131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6040 + ... + 17331.

It is an arithmetic number, because the mean of its divisors is an integer number (16512318).

Almost surely, 2^131952666 is an apocalyptic number.

131952666 is an abundant number, since it is smaller than the sum of its proper divisors (132244422).

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

131952666 is a wasteful number, since it uses less digits than its factorization.

131952666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24317.

The product of its digits is 58320, while the sum is 39.

The square root of 131952666 is about 11487.0651604315. The cubic root of 131952666 is about 509.1034691223.

The spelling of 131952666 in words is "one hundred thirty-one million, nine hundred fifty-two thousand, six hundred sixty-six".