104081540 has 12 divisors (see below), whose sum is σ = 218571276. Its totient is φ = 41632608.

The previous prime is 104081533. The next prime is 104081573. The reversal of 104081540 is 45180401.

It can be written as a sum of positive squares in 2 ways, for example, as 62504836 + 41576704 = 7906^2 + 6448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602019 + ... + 2602058.

It is an arithmetic number, because the mean of its divisors is an integer number (18214273).

Almost surely, 2^104081540 is an apocalyptic number.

104081540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104081540 is an abundant number, since it is smaller than the sum of its proper divisors (114489736).

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

104081540 is a wasteful number, since it uses less digits than its factorization.

104081540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204086 (or 5204084 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 104081540 is about 10202.0360712948. The cubic root of 104081540 is about 470.3898078935.

The spelling of 104081540 in words is "one hundred four million, eighty-one thousand, five hundred forty".