139346368 has 28 divisors (see below), whose sum is σ = 316018672. Its totient is φ = 59719680.

The previous prime is 139346357. The next prime is 139346371. The reversal of 139346368 is 863643931.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

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, 155073 + ... + 155968.

Almost surely, 2^139346368 is an apocalyptic number.

It is an amenable number.

139346368 is an abundant number, since it is smaller than the sum of its proper divisors (176672304).

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

139346368 is an equidigital number, since it uses as much as digits as its factorization.

139346368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311060 (or 311050 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 139346368 is about 11804.5062582050. The cubic root of 139346368 is about 518.4400587598.

It can be divided in two parts, 13934 and 6368, that added together give a palindrome (20302).

The spelling of 139346368 in words is "one hundred thirty-nine million, three hundred forty-six thousand, three hundred sixty-eight".