130939 has 4 divisors (see below), whose sum is σ = 136656. Its totient is φ = 125224.

The previous prime is 130927. The next prime is 130957. The reversal of 130939 is 939031.

130939 = T₉₅ + T₉₆ + ... + T₁₁₇.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939031 = 239 ⋅3929.

It is a cyclic number.

It is not a de Polignac number, because 130939 - 2⁷ = 130811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130969) 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, 2824 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (34164).

2¹³⁰⁹³⁹ is an apocalyptic number.

130939 is a deficient number, since it is larger than the sum of its proper divisors (5717).

130939 is an equidigital number, since it uses as much as digits as its factorization.

130939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 130939 is about 361.8549433129. The cubic root of 130939 is about 50.7796465056.

The spelling of 130939 in words is "one hundred thirty thousand, nine hundred thirty-nine".