138654024 has 32 divisors (see below), whose sum is σ = 349881120. Its totient is φ = 45785216.

The previous prime is 138654013. The next prime is 138654049. The reversal of 138654024 is 420456831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24429 + ... + 29564.

It is an arithmetic number, because the mean of its divisors is an integer number (10933785).

Almost surely, 2^138654024 is an apocalyptic number.

It is an amenable number.

138654024 is an abundant number, since it is smaller than the sum of its proper divisors (211227096).

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

138654024 is a wasteful number, since it uses less digits than its factorization.

138654024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54109 (or 54105 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 138654024 is about 11775.1443303256. The cubic root of 138654024 is about 517.5800077003.

The spelling of 138654024 in words is "one hundred thirty-eight million, six hundred fifty-four thousand, twenty-four".