131664346 has 16 divisors (see below), whose sum is σ = 215910720. Its totient is φ = 59719680.

The previous prime is 131664331. The next prime is 131664367. The reversal of 131664346 is 643466131.

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, 4570 + ... + 16858.

It is an arithmetic number, because the mean of its divisors is an integer number (13494420).

Almost surely, 2^131664346 is an apocalyptic number.

131664346 is a deficient number, since it is larger than the sum of its proper divisors (84246374).

131664346 is a wasteful number, since it uses less digits than its factorization.

131664346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789.

The product of its digits is 31104, while the sum is 34.

The square root of 131664346 is about 11474.5085297803. The cubic root of 131664346 is about 508.7323972925.

The spelling of 131664346 in words is "one hundred thirty-one million, six hundred sixty-four thousand, three hundred forty-six".