138876324 has 48 divisors (see below), whose sum is σ = 335845440. Its totient is φ = 44636800.

The previous prime is 138876317. The next prime is 138876337. The reversal of 138876324 is 423678831.

138876324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×138876324³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35674 + ... + 39374.

It is an arithmetic number, because the mean of its divisors is an integer number (6996780).

Almost surely, 2^138876324 is an apocalyptic number.

It is an amenable number.

138876324 is an abundant number, since it is smaller than the sum of its proper divisors (196969116).

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

138876324 is a wasteful number, since it uses less digits than its factorization.

138876324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820 (or 3818 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 138876324 is about 11784.5799246303. The cubic root of 138876324 is about 517.8564670422.

The spelling of 138876324 in words is "one hundred thirty-eight million, eight hundred seventy-six thousand, three hundred twenty-four".