130839 has 4 divisors (see below), whose sum is σ = 174456. Its totient is φ = 87224.

The previous prime is 130829. The next prime is 130841. The reversal of 130839 is 938031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938031 = 3 ⋅312677.

It is a cyclic number.

It is not a de Polignac number, because 130839 - 2⁵ = 130807 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130829) 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, 21804 + ... + 21809.

It is an arithmetic number, because the mean of its divisors is an integer number (43614).

2¹³⁰⁸³⁹ is an apocalyptic number.

130839 is a deficient number, since it is larger than the sum of its proper divisors (43617).

130839 is an equidigital number, since it uses as much as digits as its factorization.

130839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43616.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 130839 is about 361.7167400052. The cubic root of 130839 is about 50.7667161642.

It can be divided in two parts, 130 and 839, that added together give a palindrome (969).

The spelling of 130839 in words is "one hundred thirty thousand, eight hundred thirty-nine".