130136393 has 2 divisors, whose sum is σ = 130136394. Its totient is φ = 130136392.

The previous prime is 130136351. The next prime is 130136399. The reversal of 130136393 is 393631031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97555129 + 32581264 = 9877^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 130136393 - 2⁶ = 130136329 is a prime.

It is not a weakly prime, because it can be changed into another prime (130136399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65068196 + 65068197.

It is an arithmetic number, because the mean of its divisors is an integer number (65068197).

Almost surely, 2^130136393 is an apocalyptic number.

It is an amenable number.

130136393 is a deficient number, since it is larger than the sum of its proper divisors (1).

130136393 is an equidigital number, since it uses as much as digits as its factorization.

130136393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 130136393 is about 11407.7339116934. The cubic root of 130136393 is about 506.7568038984.

The spelling of 130136393 in words is "one hundred thirty million, one hundred thirty-six thousand, three hundred ninety-three".