131633396 has 6 divisors (see below), whose sum is σ = 230358450. Its totient is φ = 65816696.

The previous prime is 131633371. The next prime is 131633483. The reversal of 131633396 is 693336131.

It can be written as a sum of positive squares in only one way, i.e., 109411600 + 22221796 = 10460^2 + 4714^2 .

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, 16454171 + ... + 16454178.

It is an arithmetic number, because the mean of its divisors is an integer number (38393075).

Almost surely, 2^131633396 is an apocalyptic number.

It is an amenable number.

131633396 is a deficient number, since it is larger than the sum of its proper divisors (98725054).

131633396 is a wasteful number, since it uses less digits than its factorization.

131633396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32908353 (or 32908351 counting only the distinct ones).

The product of its digits is 26244, while the sum is 35.

The square root of 131633396 is about 11473.1598088757. The cubic root of 131633396 is about 508.6925320289.

The spelling of 131633396 in words is "one hundred thirty-one million, six hundred thirty-three thousand, three hundred ninety-six".