459138561 has 16 divisors (see below), whose sum is σ = 700274688. Its totient is φ = 262126800.

The previous prime is 459138557. The next prime is 459138569. The reversal of 459138561 is 165831954.

It is not a de Polignac number, because 459138561 - 2² = 459138557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (459138569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15256 + ... + 33926.

It is an arithmetic number, because the mean of its divisors is an integer number (43767168).

Almost surely, 2^459138561 is an apocalyptic number.

It is an amenable number.

459138561 is a deficient number, since it is larger than the sum of its proper divisors (241136127).

459138561 is a wasteful number, since it uses less digits than its factorization.

459138561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19852.

The product of its digits is 129600, while the sum is 42.

The square root of 459138561 is about 21427.5187784307. The cubic root of 459138561 is about 771.4620901613.

The spelling of 459138561 in words is "four hundred fifty-nine million, one hundred thirty-eight thousand, five hundred sixty-one".