131664338 has 32 divisors (see below), whose sum is σ = 224864640. Its totient is φ = 57317760.

The previous prime is 131664331. The next prime is 131664367. The reversal of 131664338 is 833466131.

131664338 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131664298 and 131664307.

It is not an unprimeable number, because it can be changed into a prime (131664331) 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, 153206 + ... + 154062.

It is an arithmetic number, because the mean of its divisors is an integer number (7027020).

Almost surely, 2^131664338 is an apocalyptic number.

131664338 is a deficient number, since it is larger than the sum of its proper divisors (93200302).

131664338 is a wasteful number, since it uses less digits than its factorization.

131664338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202.

The product of its digits is 31104, while the sum is 35.

The square root of 131664338 is about 11474.5081811814. The cubic root of 131664338 is about 508.7323869889.

The spelling of 131664338 in words is "one hundred thirty-one million, six hundred sixty-four thousand, three hundred thirty-eight".