109315 has 4 divisors (see below), whose sum is σ = 131184. Its totient is φ = 87448.

The previous prime is 109313. The next prime is 109321. The reversal of 109315 is 513901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513901 = 149 ⋅3449.

It is a cyclic number.

It is not a de Polignac number, because 109315 - 2¹ = 109313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109292 and 109301.

It is not an unprimeable number, because it can be changed into a prime (109313) 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, 10927 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (32796).

2¹⁰⁹³¹⁵ is an apocalyptic number.

109315 is a deficient number, since it is larger than the sum of its proper divisors (21869).

109315 is an equidigital number, since it uses as much as digits as its factorization.

109315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 109315 is about 330.6281899657. The cubic root of 109315 is about 47.8145331415.

It can be divided in two parts, 109 and 315, that added together give a palindrome (424).

The spelling of 109315 in words is "one hundred nine thousand, three hundred fifteen".