320134404 has 12 divisors (see below), whose sum is σ = 746980304. Its totient is φ = 106711464.

The previous prime is 320134391. The next prime is 320134453. The reversal of 320134404 is 404431023.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13338922 + ... + 13338945.

Almost surely, 2^320134404 is an apocalyptic number.

It is an amenable number.

320134404 is an abundant number, since it is smaller than the sum of its proper divisors (426845900).

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

320134404 is a wasteful number, since it uses less digits than its factorization.

320134404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26677874 (or 26677872 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 320134404 is about 17892.3001316209. The cubic root of 320134404 is about 684.0861267698.

Adding to 320134404 its reverse (404431023), we get a palindrome (724565427).

The spelling of 320134404 in words is "three hundred twenty million, one hundred thirty-four thousand, four hundred four".