139340352 has 28 divisors (see below), whose sum is σ = 368671856. Its totient is φ = 46446720.

The previous prime is 139340329. The next prime is 139340353. The reversal of 139340352 is 253043931.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139340353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362674 + ... + 363057.

It is an arithmetic number, because the mean of its divisors is an integer number (13166852).

Almost surely, 2^139340352 is an apocalyptic number.

139340352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139340352 is an abundant number, since it is smaller than the sum of its proper divisors (229331504).

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

139340352 is an equidigital number, since it uses as much as digits as its factorization.

139340352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725746 (or 725736 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 139340352 is about 11804.2514375118. The cubic root of 139340352 is about 518.4325977825.

The spelling of 139340352 in words is "one hundred thirty-nine million, three hundred forty thousand, three hundred fifty-two".