131783632 has 10 divisors (see below), whose sum is σ = 255330818. Its totient is φ = 65891808.

The previous prime is 131783623. The next prime is 131783633. The reversal of 131783632 is 236387131.

131783632 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., 71503936 + 60279696 = 8456^2 + 7764^2 .

It is a super-2 number, since 2×131783632² = 34733851326222848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131783633) 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 as a sum of consecutive naturals, namely, 4118223 + ... + 4118254.

Almost surely, 2^131783632 is an apocalyptic number.

It is an amenable number.

131783632 is a deficient number, since it is larger than the sum of its proper divisors (123547186).

131783632 is an equidigital number, since it uses as much as digits as its factorization.

131783632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236485 (or 8236479 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 131783632 is about 11479.7052226963. The cubic root of 131783632 is about 508.8859856590.

The spelling of 131783632 in words is "one hundred thirty-one million, seven hundred eighty-three thousand, six hundred thirty-two".