329071139 has 4 divisors (see below), whose sum is σ = 329151024. Its totient is φ = 328991256.

The previous prime is 329071133. The next prime is 329071157. The reversal of 329071139 is 931170923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931170923 = 937 ⋅993779.

It is a cyclic number.

It is not a de Polignac number, because 329071139 - 2⁸ = 329070883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 329071099 and 329071108.

It is not an unprimeable number, because it can be changed into a prime (329071133) 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, 33407 + ... + 42120.

It is an arithmetic number, because the mean of its divisors is an integer number (82287756).

Almost surely, 2^329071139 is an apocalyptic number.

329071139 is a deficient number, since it is larger than the sum of its proper divisors (79885).

329071139 is an equidigital number, since it uses as much as digits as its factorization.

329071139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79884.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 329071139 is about 18140.3180512360. The cubic root of 329071139 is about 690.3933478006.

The spelling of 329071139 in words is "three hundred twenty-nine million, seventy-one thousand, one hundred thirty-nine".