459136990 has 32 divisors (see below), whose sum is σ = 920717280. Its totient is φ = 163680384.

The previous prime is 459136949. The next prime is 459137009. The reversal of 459136990 is 99631954.

It is a self number, because there is not a number n which added to its sum of digits gives 459136990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57124 + ... + 64663.

It is an arithmetic number, because the mean of its divisors is an integer number (28772415).

Almost surely, 2^459136990 is an apocalyptic number.

459136990 is an abundant number, since it is smaller than the sum of its proper divisors (461580290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

459136990 is a wasteful number, since it uses less digits than its factorization.

459136990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121836.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 459136990 is about 21427.4821199319. The cubic root of 459136990 is about 771.4612102756.

The spelling of 459136990 in words is "four hundred fifty-nine million, one hundred thirty-six thousand, nine hundred ninety".