460136909 has 12 divisors (see below), whose sum is σ = 497831004. Its totient is φ = 423821184.

The previous prime is 460136899. The next prime is 460136917. The reversal of 460136909 is 909631064.

It can be written as a sum of positive squares in 2 ways, for example, as 294294025 + 165842884 = 17155^2 + 12878^2 .

It is a de Polignac number, because none of the positive numbers 2^k-460136909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460136959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31427 + ... + 43679.

It is an arithmetic number, because the mean of its divisors is an integer number (41485917).

Almost surely, 2^460136909 is an apocalyptic number.

It is an amenable number.

460136909 is a deficient number, since it is larger than the sum of its proper divisors (37694095).

460136909 is a wasteful number, since it uses less digits than its factorization.

460136909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364 (or 12317 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 460136909 is about 21450.8020595967. The cubic root of 460136909 is about 772.0208394824.

The spelling of 460136909 in words is "four hundred sixty million, one hundred thirty-six thousand, nine hundred nine".