320135055 has 8 divisors (see below), whose sum is σ = 512216112. Its totient is φ = 170738688.

The previous prime is 320135027. The next prime is 320135111. The reversal of 320135055 is 550531023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320135055 - 2¹⁵ = 320102287 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10671154 + ... + 10671183.

It is an arithmetic number, because the mean of its divisors is an integer number (64027014).

Almost surely, 2^320135055 is an apocalyptic number.

320135055 is a deficient number, since it is larger than the sum of its proper divisors (192081057).

320135055 is a wasteful number, since it uses less digits than its factorization.

320135055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21342345.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 320135055 is about 17892.3183237947. The cubic root of 320135055 is about 684.0865904706.

Adding to 320135055 its reverse (550531023), we get a palindrome (870666078).

The spelling of 320135055 in words is "three hundred twenty million, one hundred thirty-five thousand, fifty-five".