104781138 has 32 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 27215760.

The previous prime is 104781113. The next prime is 104781163. The reversal of 104781138 is 831187401.

It is an interprime number because it is at equal distance from previous prime (104781113) and next prime (104781163).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 104781099 and 104781108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112938 + ... + 113861.

It is an arithmetic number, because the mean of its divisors is an integer number (8164800).

Almost surely, 2^104781138 is an apocalyptic number.

104781138 is an abundant number, since it is smaller than the sum of its proper divisors (156492462).

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

104781138 is a wasteful number, since it uses less digits than its factorization.

104781138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226822.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 104781138 is about 10236.2658230431. The cubic root of 104781138 is about 471.4413846445.

The spelling of 104781138 in words is "one hundred four million, seven hundred eighty-one thousand, one hundred thirty-eight".