130394813 has 2 divisors, whose sum is σ = 130394814. Its totient is φ = 130394812.

The previous prime is 130394783. The next prime is 130394833. The reversal of 130394813 is 318493031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128210329 + 2184484 = 11323^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 130394813 - 2⁶ = 130394749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130394813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130394833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65197406 + 65197407.

It is an arithmetic number, because the mean of its divisors is an integer number (65197407).

Almost surely, 2^130394813 is an apocalyptic number.

It is an amenable number.

130394813 is a deficient number, since it is larger than the sum of its proper divisors (1).

130394813 is an equidigital number, since it uses as much as digits as its factorization.

130394813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 130394813 is about 11419.0548207809. The cubic root of 130394813 is about 507.0920150390.

The spelling of 130394813 in words is "one hundred thirty million, three hundred ninety-four thousand, eight hundred thirteen".