138846912 has 28 divisors (see below), whose sum is σ = 367366296. Its totient is φ = 46282240.

The previous prime is 138846907. The next prime is 138846913. The reversal of 138846912 is 219648831.

It is not an unprimeable number, because it can be changed into a prime (138846913) 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, 361389 + ... + 361772.

Almost surely, 2^138846912 is an apocalyptic number.

138846912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138846912 is an abundant number, since it is smaller than the sum of its proper divisors (228519384).

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

138846912 is an equidigital number, since it uses as much as digits as its factorization.

138846912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723176 (or 723166 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 138846912 is about 11783.3319566242. The cubic root of 138846912 is about 517.8199062872.

The spelling of 138846912 in words is "one hundred thirty-eight million, eight hundred forty-six thousand, nine hundred twelve".