131064904 has 8 divisors (see below), whose sum is σ = 245746710. Its totient is φ = 65532448.

The previous prime is 131064893. The next prime is 131064911. The reversal of 131064904 is 409460131.

It can be written as a sum of positive squares in only one way, i.e., 100040004 + 31024900 = 10002^2 + 5570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8191549 + ... + 8191564.

Almost surely, 2^131064904 is an apocalyptic number.

It is an amenable number.

131064904 is a deficient number, since it is larger than the sum of its proper divisors (114681806).

131064904 is a wasteful number, since it uses less digits than its factorization.

131064904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16383119 (or 16383115 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 131064904 is about 11448.3581355581. The cubic root of 131064904 is about 507.9591696367.

The spelling of 131064904 in words is "one hundred thirty-one million, sixty-four thousand, nine hundred four".