320134005 has 32 divisors (see below), whose sum is σ = 570261120. Its totient is φ = 170398080.

The previous prime is 320133977. The next prime is 320134013. The reversal of 320134005 is 500431023.

320134005 is a `hidden beast` number, since 320 + 1 + 340 + 0 + 5 = 666.

It is not a de Polignac number, because 320134005 - 2⁹ = 320133493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75009 + ... + 79161.

It is an arithmetic number, because the mean of its divisors is an integer number (17820660).

Almost surely, 2^320134005 is an apocalyptic number.

It is an amenable number.

320134005 is a deficient number, since it is larger than the sum of its proper divisors (250127115).

320134005 is a wasteful number, since it uses less digits than its factorization.

320134005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 320134005 is about 17892.2889815697. The cubic root of 320134005 is about 684.0858425657.

Adding to 320134005 its reverse (500431023), we get a palindrome (820565028).

The spelling of 320134005 in words is "three hundred twenty million, one hundred thirty-four thousand, five".