131971732 has 12 divisors (see below), whose sum is σ = 231582400. Its totient is φ = 65805336.

The previous prime is 131971729. The next prime is 131971733. The reversal of 131971732 is 237179131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131971733) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43482 + ... + 46417.

Almost surely, 2^131971732 is an apocalyptic number.

It is an amenable number.

131971732 is a deficient number, since it is larger than the sum of its proper divisors (99610668).

131971732 is a wasteful number, since it uses less digits than its factorization.

131971732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90270 (or 90268 counting only the distinct ones).

The product of its digits is 7938, while the sum is 34.

The square root of 131971732 is about 11487.8950204117. The cubic root of 131971732 is about 509.1279882664.

The spelling of 131971732 in words is "one hundred thirty-one million, nine hundred seventy-one thousand, seven hundred thirty-two".