131732628 has 12 divisors (see below), whose sum is σ = 307376160. Its totient is φ = 43910872.

The previous prime is 131732599. The next prime is 131732641. The reversal of 131732628 is 826237131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488848 + ... + 5488871.

It is an arithmetic number, because the mean of its divisors is an integer number (25614680).

Almost surely, 2^131732628 is an apocalyptic number.

It is an amenable number.

131732628 is an abundant number, since it is smaller than the sum of its proper divisors (175643532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131732628 is a wasteful number, since it uses less digits than its factorization.

131732628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977726 (or 10977724 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 131732628 is about 11477.4835220966. The cubic root of 131732628 is about 508.8203260886.

Adding to 131732628 its reverse (826237131), we get a palindrome (957969759).

The spelling of 131732628 in words is "one hundred thirty-one million, seven hundred thirty-two thousand, six hundred twenty-eight".