139344384 has 80 divisors (see below), whose sum is σ = 376038432. Its totient is φ = 45846528.

The previous prime is 139344383. The next prime is 139344431. The reversal of 139344384 is 483443931.

It is not an unprimeable number, because it can be changed into a prime (139344383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126942 + ... + 128034.

Almost surely, 2^139344384 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 139344384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188019216).

139344384 is an abundant number, since it is smaller than the sum of its proper divisors (236694048).

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

139344384 is an equidigital number, since it uses as much as digits as its factorization.

139344384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1181 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 139344384 is about 11804.4222222013. The cubic root of 139344384 is about 518.4375982485.

The spelling of 139344384 in words is "one hundred thirty-nine million, three hundred forty-four thousand, three hundred eighty-four".