139832224 has 24 divisors (see below), whose sum is σ = 314623008. Its totient is φ = 59928000.

The previous prime is 139832219. The next prime is 139832237. The reversal of 139832224 is 422238931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 139832224.

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, 311902 + ... + 312349.

It is an arithmetic number, because the mean of its divisors is an integer number (13109292).

Almost surely, 2^139832224 is an apocalyptic number.

139832224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

139832224 is an abundant number, since it is smaller than the sum of its proper divisors (174790784).

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

139832224 is an equidigital number, since it uses as much as digits as its factorization.

139832224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624268 (or 624260 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 139832224 is about 11825.0676108004. The cubic root of 139832224 is about 519.0419044403.

The spelling of 139832224 in words is "one hundred thirty-nine million, eight hundred thirty-two thousand, two hundred twenty-four".