131956604 has 12 divisors (see below), whose sum is σ = 248687544. Its totient is φ = 60903024.

The previous prime is 131956571. The next prime is 131956607. The reversal of 131956604 is 406659131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131956607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268762 + ... + 1268865.

It is an arithmetic number, because the mean of its divisors is an integer number (20723962).

Almost surely, 2^131956604 is an apocalyptic number.

It is an amenable number.

131956604 is a deficient number, since it is larger than the sum of its proper divisors (116730940).

131956604 is a wasteful number, since it uses less digits than its factorization.

131956604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537644 (or 2537642 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 131956604 is about 11487.2365693408. The cubic root of 131956604 is about 509.1085336392.

The spelling of 131956604 in words is "one hundred thirty-one million, nine hundred fifty-six thousand, six hundred four".