138827976 has 48 divisors (see below), whose sum is σ = 403737840. Its totient is φ = 39664800.

The previous prime is 138827963. The next prime is 138827987. The reversal of 138827976 is 679728831.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57850 + ... + 60201.

It is an arithmetic number, because the mean of its divisors is an integer number (8411205).

Almost surely, 2^138827976 is an apocalyptic number.

It is an amenable number.

138827976 is an abundant number, since it is smaller than the sum of its proper divisors (264909864).

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

138827976 is a wasteful number, since it uses less digits than its factorization.

138827976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118074 (or 118063 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 138827976 is about 11782.5284213534. The cubic root of 138827976 is about 517.7963650517.

The spelling of 138827976 in words is "one hundred thirty-eight million, eight hundred twenty-seven thousand, nine hundred seventy-six".