130138793 has 2 divisors, whose sum is σ = 130138794. Its totient is φ = 130138792.

The previous prime is 130138787. The next prime is 130138831. The reversal of 130138793 is 397831031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76965529 + 53173264 = 8773^2 + 7292^2 .

It is a cyclic number.

It is not a de Polignac number, because 130138793 - 2⁴ = 130138777 is a prime.

It is a super-2 number, since 2×130138793² = 33872210886993698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130138753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65069396 + 65069397.

It is an arithmetic number, because the mean of its divisors is an integer number (65069397).

Almost surely, 2^130138793 is an apocalyptic number.

It is an amenable number.

130138793 is a deficient number, since it is larger than the sum of its proper divisors (1).

130138793 is an equidigital number, since it uses as much as digits as its factorization.

130138793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 130138793 is about 11407.8391030028. The cubic root of 130138793 is about 506.7599191142.

The spelling of 130138793 in words is "one hundred thirty million, one hundred thirty-eight thousand, seven hundred ninety-three".