138283552 has 24 divisors (see below), whose sum is σ = 296996112. Its totient is φ = 62856000.

The previous prime is 138283549. The next prime is 138283573. The reversal of 138283552 is 255382831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196074 + ... + 196777.

It is an arithmetic number, because the mean of its divisors is an integer number (12374838).

Almost surely, 2^138283552 is an apocalyptic number.

It is an amenable number.

138283552 is an abundant number, since it is smaller than the sum of its proper divisors (158712560).

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

138283552 is a wasteful number, since it uses less digits than its factorization.

138283552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392872 (or 392864 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 138283552 is about 11759.4027059201. The cubic root of 138283552 is about 517.1186196399.

The spelling of 138283552 in words is "one hundred thirty-eight million, two hundred eighty-three thousand, five hundred fifty-two".