459139668 has 48 divisors (see below), whose sum is σ = 1155772800. Its totient is φ = 141024384.

The previous prime is 459139661. The next prime is 459139717. The reversal of 459139668 is 866931954.

It is a self number, because there is not a number n which added to its sum of digits gives 459139668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459139661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98658 + ... + 103206.

It is an arithmetic number, because the mean of its divisors is an integer number (24078600).

Almost surely, 2^459139668 is an apocalyptic number.

It is an amenable number.

459139668 is an abundant number, since it is smaller than the sum of its proper divisors (696633132).

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

459139668 is a wasteful number, since it uses less digits than its factorization.

459139668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216 (or 5214 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 459139668 is about 21427.5446096841. The cubic root of 459139668 is about 771.4627101686.

The spelling of 459139668 in words is "four hundred fifty-nine million, one hundred thirty-nine thousand, six hundred sixty-eight".