138822112 has 96 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 55672320.

The previous prime is 138822107. The next prime is 138822127. The reversal of 138822112 is 211228831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104589 + ... + 105907.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720).

Almost surely, 2^138822112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138822112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167650560).

138822112 is an abundant number, since it is smaller than the sum of its proper divisors (196479008).

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

138822112 is a wasteful number, since it uses less digits than its factorization.

138822112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1368 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 138822112 is about 11782.2795757018. The cubic root of 138822112 is about 517.7890744928.

The spelling of 138822112 in words is "one hundred thirty-eight million, eight hundred twenty-two thousand, one hundred twelve".