130203839 has 2 divisors, whose sum is σ = 130203840. Its totient is φ = 130203838.

The previous prime is 130203817. The next prime is 130203869. The reversal of 130203839 is 938302031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130203839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130203869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65101919 + 65101920.

It is an arithmetic number, because the mean of its divisors is an integer number (65101920).

Almost surely, 2^130203839 is an apocalyptic number.

130203839 is a deficient number, since it is larger than the sum of its proper divisors (1).

130203839 is an equidigital number, since it uses as much as digits as its factorization.

130203839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 130203839 is about 11410.6896811718. The cubic root of 130203839 is about 506.8443346695.

The spelling of 130203839 in words is "one hundred thirty million, two hundred three thousand, eight hundred thirty-nine".