320134308 has 96 divisors (see below), whose sum is σ = 826869120. Its totient is φ = 95800320.

The previous prime is 320134289. The next prime is 320134313. The reversal of 320134308 is 803431023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139128 + ... + 1139408.

It is an arithmetic number, because the mean of its divisors is an integer number (8613220).

Almost surely, 2^320134308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320134308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413434560).

320134308 is an abundant number, since it is smaller than the sum of its proper divisors (506734812).

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

320134308 is a wasteful number, since it uses less digits than its factorization.

320134308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 320134308 is about 17892.2974489024. The cubic root of 320134308 is about 684.0860583899.

The spelling of 320134308 in words is "three hundred twenty million, one hundred thirty-four thousand, three hundred eight".