320136 has 16 divisors (see below), whose sum is σ = 800400. Its totient is φ = 106704.

The previous prime is 320119. The next prime is 320141. The reversal of 320136 is 631023.

320136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

320136 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6646 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (50025).

2³²⁰¹³⁶ is an apocalyptic number.

It is an amenable number.

320136 is an abundant number, since it is smaller than the sum of its proper divisors (480264).

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

320136 is a wasteful number, since it uses less digits than its factorization.

320136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348 (or 13344 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 320136 is about 565.8056203326. The cubic root of 320136 is about 68.4087263584.

Adding to 320136 its reverse (631023), we get a palindrome (951159).

The spelling of 320136 in words is "three hundred twenty thousand, one hundred thirty-six".