83631136 has 24 divisors (see below), whose sum is σ = 166908924. Its totient is φ = 41241600.

The previous prime is 83631083. The next prime is 83631161. The reversal of 83631136 is 63113638.

It can be written as a sum of positive squares in 2 ways, for example, as 82083600 + 1547536 = 9060^2 + 1244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83631098 and 83631107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15565 + ... + 20236.

Almost surely, 2^83631136 is an apocalyptic number.

It is an amenable number.

83631136 is a deficient number, since it is larger than the sum of its proper divisors (83277788).

83631136 is a wasteful number, since it uses less digits than its factorization.

83631136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35884 (or 35876 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 83631136 is about 9145.0060688881. The cubic root of 83631136 is about 437.3099229818.

The spelling of 83631136 in words is "eighty-three million, six hundred thirty-one thousand, one hundred thirty-six".