104139480 has 32 divisors (see below), whose sum is σ = 312418800. Its totient is φ = 27770496.

The previous prime is 104139461. The next prime is 104139481. The reversal of 104139480 is 84931401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104139481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433795 + ... + 434034.

Almost surely, 2^104139480 is an apocalyptic number.

104139480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104139480 is an abundant number, since it is smaller than the sum of its proper divisors (208279320).

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

104139480 is a wasteful number, since it uses less digits than its factorization.

104139480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867843 (or 867839 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 104139480 is about 10204.8753054606. The cubic root of 104139480 is about 470.4770770663.

The spelling of 104139480 in words is "one hundred four million, one hundred thirty-nine thousand, four hundred eighty".