459138069 has 48 divisors (see below), whose sum is σ = 744936192. Its totient is φ = 270635904.

The previous prime is 459138067. The next prime is 459138073. The reversal of 459138069 is 960831954.

It is a happy number.

459138069 is a `hidden beast` number, since 459 + 138 + 0 + 69 = 666.

It is not a de Polignac number, because 459138069 - 2¹ = 459138067 is a prime.

It is a super-2 number, since 2×459138069² = 421615532810097522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459138067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289252 + ... + 290834.

It is an arithmetic number, because the mean of its divisors is an integer number (15519504).

Almost surely, 2^459138069 is an apocalyptic number.

It is an amenable number.

459138069 is a deficient number, since it is larger than the sum of its proper divisors (285798123).

459138069 is a wasteful number, since it uses less digits than its factorization.

459138069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 459138069 is about 21427.5072978637. The cubic root of 459138069 is about 771.4618146021.

The spelling of 459138069 in words is "four hundred fifty-nine million, one hundred thirty-eight thousand, sixty-nine".