320134165 has 24 divisors (see below), whose sum is σ = 417415680. Its totient is φ = 235594944.

The previous prime is 320134159. The next prime is 320134169. The reversal of 320134165 is 561431023.

It is a de Polignac number, because none of the positive numbers 2^k-320134165 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320134169) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 370524 + ... + 371386.

It is an arithmetic number, because the mean of its divisors is an integer number (17392320).

Almost surely, 2^320134165 is an apocalyptic number.

It is an amenable number.

320134165 is a deficient number, since it is larger than the sum of its proper divisors (97281515).

320134165 is a wasteful number, since it uses less digits than its factorization.

320134165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 320134165 is about 17892.2934527690. The cubic root of 320134165 is about 684.0859565323.

Adding to 320134165 its reverse (561431023), we get a palindrome (881565188).

The spelling of 320134165 in words is "three hundred twenty million, one hundred thirty-four thousand, one hundred sixty-five".