130204391 has 2 divisors, whose sum is σ = 130204392. Its totient is φ = 130204390.

The previous prime is 130204367. The next prime is 130204409. The reversal of 130204391 is 193402031.

It is a strong prime.

It is an emirp because it is prime and its reverse (193402031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130204391 - 2¹⁸ = 129942247 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 (130204351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65102195 + 65102196.

It is an arithmetic number, because the mean of its divisors is an integer number (65102196).

Almost surely, 2^130204391 is an apocalyptic number.

130204391 is a deficient number, since it is larger than the sum of its proper divisors (1).

130204391 is an equidigital number, since it uses as much as digits as its factorization.

130204391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 130204391 is about 11410.7138689917. The cubic root of 130204391 is about 506.8450509251.

The spelling of 130204391 in words is "one hundred thirty million, two hundred four thousand, three hundred ninety-one".