139462339 has 16 divisors (see below), whose sum is σ = 151208640. Its totient is φ = 128148480.

The previous prime is 139462331. The next prime is 139462357. The reversal of 139462339 is 933264931.

It is a cyclic number.

It is not a de Polignac number, because 139462339 - 2³ = 139462331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139462331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134754 + ... + 135784.

It is an arithmetic number, because the mean of its divisors is an integer number (9450540).

Almost surely, 2^139462339 is an apocalyptic number.

139462339 is a deficient number, since it is larger than the sum of its proper divisors (11746301).

139462339 is a wasteful number, since it uses less digits than its factorization.

139462339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its digits is 104976, while the sum is 40.

The square root of 139462339 is about 11809.4173861372. The cubic root of 139462339 is about 518.5838427738.

The spelling of 139462339 in words is "one hundred thirty-nine million, four hundred sixty-two thousand, three hundred thirty-nine".