460272139 has 2 divisors, whose sum is σ = 460272140. Its totient is φ = 460272138.

The previous prime is 460272077. The next prime is 460272151. The reversal of 460272139 is 931272064.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 460272139 - 2⁹ = 460271627 is a prime.

It is not a weakly prime, because it can be changed into another prime (460272539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230136069 + 230136070.

It is an arithmetic number, because the mean of its divisors is an integer number (230136070).

Almost surely, 2^460272139 is an apocalyptic number.

460272139 is a deficient number, since it is larger than the sum of its proper divisors (1).

460272139 is an equidigital number, since it uses as much as digits as its factorization.

460272139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 460272139 is about 21453.9539246266. The cubic root of 460272139 is about 772.0964620129.

The spelling of 460272139 in words is "four hundred sixty million, two hundred seventy-two thousand, one hundred thirty-nine".