130839109 has 2 divisors, whose sum is σ = 130839110. Its totient is φ = 130839108.

The previous prime is 130839043. The next prime is 130839113. The reversal of 130839109 is 901938031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123276609 + 7562500 = 11103^2 + 2750^2 .

It is a cyclic number.

It is not a de Polignac number, because 130839109 - 2⁹ = 130838597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130839119) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65419554 + 65419555.

It is an arithmetic number, because the mean of its divisors is an integer number (65419555).

Almost surely, 2^130839109 is an apocalyptic number.

It is an amenable number.

130839109 is a deficient number, since it is larger than the sum of its proper divisors (1).

130839109 is an equidigital number, since it uses as much as digits as its factorization.

130839109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 130839109 is about 11438.4924268891. The cubic root of 130839109 is about 507.6673026187.

The spelling of 130839109 in words is "one hundred thirty million, eight hundred thirty-nine thousand, one hundred nine".