104135680 has 132 divisors (see below), whose sum is σ = 278997912. Its totient is φ = 36986880.

The previous prime is 104135677. The next prime is 104135737. The reversal of 104135680 is 86531401.

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, 2421739 + ... + 2421781.

Almost surely, 2^104135680 is an apocalyptic number.

104135680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104135680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139498956).

104135680 is an abundant number, since it is smaller than the sum of its proper divisors (174862232).

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

104135680 is an equidigital number, since it uses as much as digits as its factorization.

104135680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 104135680 is about 10204.6891182436. The cubic root of 104135680 is about 470.4713545019.

The spelling of 104135680 in words is "one hundred four million, one hundred thirty-five thousand, six hundred eighty".