108913 has 4 divisors (see below), whose sum is σ = 124480. Its totient is φ = 93348.

The previous prime is 108907. The next prime is 108917. The reversal of 108913 is 319801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 319801 = 193 ⋅1657.

It is a cyclic number.

It is not a de Polignac number, because 108913 - 2⁵ = 108881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7773 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (31120).

2¹⁰⁸⁹¹³ is an apocalyptic number.

It is an amenable number.

108913 is a deficient number, since it is larger than the sum of its proper divisors (15567).

108913 is an equidigital number, since it uses as much as digits as its factorization.

108913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 108913 is about 330.0196963819. The cubic root of 108913 is about 47.7558493606.

The spelling of 108913 in words is "one hundred eight thousand, nine hundred thirteen".