139283339 has 4 divisors (see below), whose sum is σ = 149997456. Its totient is φ = 128569224.

The previous prime is 139283323. The next prime is 139283381. The reversal of 139283339 is 933382931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933382931 = 13 ⋅71798687.

It is a cyclic number.

It is not a de Polignac number, because 139283339 - 2⁴ = 139283323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139283296 and 139283305.

It is not an unprimeable number, because it can be changed into a prime (139283539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5357039 + ... + 5357064.

It is an arithmetic number, because the mean of its divisors is an integer number (37499364).

Almost surely, 2^139283339 is an apocalyptic number.

139283339 is a deficient number, since it is larger than the sum of its proper divisors (10714117).

139283339 is a wasteful number, since it uses less digits than its factorization.

139283339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714116.

The product of its digits is 104976, while the sum is 41.

The square root of 139283339 is about 11801.8362554308. The cubic root of 139283339 is about 518.3618802206.

The spelling of 139283339 in words is "one hundred thirty-nine million, two hundred eighty-three thousand, three hundred thirty-nine".