138013104 has 40 divisors (see below), whose sum is σ = 356977152. Its totient is φ = 45947200.

The previous prime is 138013091. The next prime is 138013111. The reversal of 138013104 is 401310831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57529 + ... + 59879.

Almost surely, 2^138013104 is an apocalyptic number.

It is an amenable number.

138013104 is an abundant number, since it is smaller than the sum of its proper divisors (218964048).

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

138013104 is a wasteful number, since it uses less digits than its factorization.

138013104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585 (or 3579 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 138013104 is about 11747.8978545100. The cubic root of 138013104 is about 516.7812814519.

Adding to 138013104 its reverse (401310831), we get a palindrome (539323935).

The spelling of 138013104 in words is "one hundred thirty-eight million, thirteen thousand, one hundred four".