131964556 has 24 divisors (see below), whose sum is σ = 234043040. Its totient is φ = 65100672.

The previous prime is 131964517. The next prime is 131964571. The reversal of 131964556 is 655469131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135985 + ... + 136951.

Almost surely, 2^131964556 is an apocalyptic number.

It is an amenable number.

131964556 is a deficient number, since it is larger than the sum of its proper divisors (102078484).

131964556 is a wasteful number, since it uses less digits than its factorization.

131964556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1391 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 131964556 is about 11487.5826874064. The cubic root of 131964556 is about 509.1187601067.

The spelling of 131964556 in words is "one hundred thirty-one million, nine hundred sixty-four thousand, five hundred fifty-six".