130766393 has 2 divisors, whose sum is σ = 130766394. Its totient is φ = 130766392.

The previous prime is 130766387. The next prime is 130766407. The reversal of 130766393 is 393667031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119530489 + 11235904 = 10933^2 + 3352^2 .

It is a cyclic number.

It is not a de Polignac number, because 130766393 - 2¹² = 130762297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130766323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65383196 + 65383197.

It is an arithmetic number, because the mean of its divisors is an integer number (65383197).

Almost surely, 2^130766393 is an apocalyptic number.

It is an amenable number.

130766393 is a deficient number, since it is larger than the sum of its proper divisors (1).

130766393 is an equidigital number, since it uses as much as digits as its factorization.

130766393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 130766393 is about 11435.3134194039. The cubic root of 130766393 is about 507.5732370222.

The spelling of 130766393 in words is "one hundred thirty million, seven hundred sixty-six thousand, three hundred ninety-three".