104138136 has 48 divisors (see below), whose sum is σ = 292492200. Its totient is φ = 34712064.

The previous prime is 104138087. The next prime is 104138149. The reversal of 104138136 is 631831401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 24841 + ... + 28728.

Almost surely, 2^104138136 is an apocalyptic number.

It is an amenable number.

104138136 is an abundant number, since it is smaller than the sum of its proper divisors (188354064).

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

104138136 is an equidigital number, since it uses as much as digits as its factorization.

104138136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53590 (or 53574 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 104138136 is about 10204.8094543700. The cubic root of 104138136 is about 470.4750531016.

Adding to 104138136 its reverse (631831401), we get a palindrome (735969537).

The spelling of 104138136 in words is "one hundred four million, one hundred thirty-eight thousand, one hundred thirty-six".