138806116 has 12 divisors (see below), whose sum is σ = 243009340. Its totient is φ = 69374880.

The previous prime is 138806051. The next prime is 138806117. The reversal of 138806116 is 611608831.

It can be written as a sum of positive squares in 2 ways, for example, as 20214016 + 118592100 = 4496^2 + 10890^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (138806117) 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, 7270 + ... + 18178.

Almost surely, 2^138806116 is an apocalyptic number.

It is an amenable number.

138806116 is a deficient number, since it is larger than the sum of its proper divisors (104203224).

138806116 is a wasteful number, since it uses less digits than its factorization.

138806116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094 (or 14092 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 138806116 is about 11781.6007401371. The cubic root of 138806116 is about 517.7691860373.

The spelling of 138806116 in words is "one hundred thirty-eight million, eight hundred six thousand, one hundred sixteen".