104431136 has 24 divisors (see below), whose sum is σ = 217693980. Its totient is φ = 49143808.

The previous prime is 104431111. The next prime is 104431193. The reversal of 104431136 is 631134401.

It can be written as a sum of positive squares in 2 ways, for example, as 102010000 + 2421136 = 10100^2 + 1556^2 .

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, 95441 + ... + 96528.

Almost surely, 2^104431136 is an apocalyptic number.

104431136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

104431136 is an abundant number, since it is smaller than the sum of its proper divisors (113262844).

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

104431136 is a wasteful number, since it uses less digits than its factorization.

104431136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191996 (or 191988 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 104431136 is about 10219.1553467006. The cubic root of 104431136 is about 470.9158781913.

Adding to 104431136 its reverse (631134401), we get a palindrome (735565537).

The spelling of 104431136 in words is "one hundred four million, four hundred thirty-one thousand, one hundred thirty-six".