108539 has 4 divisors (see below), whose sum is σ = 109200. Its totient is φ = 107880.

The previous prime is 108533. The next prime is 108541. The reversal of 108539 is 935801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 108539 - 2¹⁶ = 43003 is a prime.

It is a Duffinian number.

108539 is a Rhonda number in base 12.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (108533) 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 3 ways as a sum of consecutive naturals, for example, 137 + ... + 485.

It is an arithmetic number, because the mean of its divisors is an integer number (27300).

2¹⁰⁸⁵³⁹ is an apocalyptic number.

108539 is a deficient number, since it is larger than the sum of its proper divisors (661).

108539 is an equidigital number, since it uses as much as digits as its factorization.

108539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 108539 is about 329.4525762534. The cubic root of 108539 is about 47.7011232003.

The spelling of 108539 in words is "one hundred eight thousand, five hundred thirty-nine".