131894132 has 6 divisors (see below), whose sum is σ = 230814738. Its totient is φ = 65947064.

The previous prime is 131894129. The next prime is 131894149. The reversal of 131894132 is 231498131.

131894132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 130736356 + 1157776 = 11434^2 + 1076^2 .

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, 16486763 + ... + 16486770.

It is an arithmetic number, because the mean of its divisors is an integer number (38469123).

Almost surely, 2^131894132 is an apocalyptic number.

It is an amenable number.

131894132 is a deficient number, since it is larger than the sum of its proper divisors (98920606).

131894132 is a wasteful number, since it uses less digits than its factorization.

131894132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32973537 (or 32973535 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 131894132 is about 11484.5170555840. The cubic root of 131894132 is about 509.0281788160.

The spelling of 131894132 in words is "one hundred thirty-one million, eight hundred ninety-four thousand, one hundred thirty-two".