104131890 has 48 divisors (see below), whose sum is σ = 271252800. Its totient is φ = 27716256.

The previous prime is 104131889. The next prime is 104131901. The reversal of 104131890 is 98131401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82081 + ... + 83339.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^104131890 is an apocalyptic number.

104131890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104131890 is an abundant number, since it is smaller than the sum of its proper divisors (167120910).

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

104131890 is a wasteful number, since it uses less digits than its factorization.

104131890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 104131890 is about 10204.5034176093. The cubic root of 104131890 is about 470.4656468583.

The spelling of 104131890 in words is "one hundred four million, one hundred thirty-one thousand, eight hundred ninety".