104138788 has 12 divisors (see below), whose sum is σ = 196261660. Its totient is φ = 48064032.

The previous prime is 104138767. The next prime is 104138789. The reversal of 104138788 is 887831401.

It can be written as a sum of positive squares in 2 ways, for example, as 55026724 + 49112064 = 7418^2 + 7008^2 .

It is a super-2 number, since 2×104138788² = 21689774332217888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104138788.

It is not an unprimeable number, because it can be changed into a prime (104138789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001283 + ... + 1001386.

Almost surely, 2^104138788 is an apocalyptic number.

It is an amenable number.

104138788 is a deficient number, since it is larger than the sum of its proper divisors (92122872).

104138788 is a wasteful number, since it uses less digits than its factorization.

104138788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002686 (or 2002684 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 104138788 is about 10204.8414000415. The cubic root of 104138788 is about 470.4760349676.

The spelling of 104138788 in words is "one hundred four million, one hundred thirty-eight thousand, seven hundred eighty-eight".