138266112 has 40 divisors (see below), whose sum is σ = 368353656. Its totient is φ = 46088192.

The previous prime is 138266099. The next prime is 138266119. The reversal of 138266112 is 211662831.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 138266112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138266119) 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, 43473 + ... + 46544.

Almost surely, 2^138266112 is an apocalyptic number.

138266112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138266112 is an abundant number, since it is smaller than the sum of its proper divisors (230087544).

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

138266112 is an frugal number, since it uses more digits than its factorization.

138266112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90038 (or 90022 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 138266112 is about 11758.6611482770. The cubic root of 138266112 is about 517.0968794600.

The spelling of 138266112 in words is "one hundred thirty-eight million, two hundred sixty-six thousand, one hundred twelve".