138288112 has 20 divisors (see below), whose sum is σ = 269644696. Its totient is φ = 68702400.

The previous prime is 138288107. The next prime is 138288113. The reversal of 138288112 is 211882831.

138288112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138288113) 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, 25014 + ... + 30037.

Almost surely, 2^138288112 is an apocalyptic number.

It is an amenable number.

138288112 is a deficient number, since it is larger than the sum of its proper divisors (131356584).

138288112 is a wasteful number, since it uses less digits than its factorization.

138288112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55216 (or 55210 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 138288112 is about 11759.5965917203. The cubic root of 138288112 is about 517.1243036974.

The spelling of 138288112 in words is "one hundred thirty-eight million, two hundred eighty-eight thousand, one hundred twelve".