131922964 has 6 divisors (see below), whose sum is σ = 230865194. Its totient is φ = 65961480.

The previous prime is 131922929. The next prime is 131922971. The reversal of 131922964 is 469229131.

It can be written as a sum of positive squares in only one way, i.e., 89151364 + 42771600 = 9442^2 + 6540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16490367 + ... + 16490374.

Almost surely, 2^131922964 is an apocalyptic number.

It is an amenable number.

131922964 is a deficient number, since it is larger than the sum of its proper divisors (98942230).

131922964 is a wasteful number, since it uses less digits than its factorization.

131922964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32980745 (or 32980743 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 131922964 is about 11485.7722422134. The cubic root of 131922964 is about 509.0652672266.

The spelling of 131922964 in words is "one hundred thirty-one million, nine hundred twenty-two thousand, nine hundred sixty-four".