109321329 has 32 divisors (see below), whose sum is σ = 163658880. Its totient is φ = 64447488.

The previous prime is 109321319. The next prime is 109321337. The reversal of 109321329 is 923123901.

It is a happy number.

It is not a de Polignac number, because 109321329 - 2⁵ = 109321297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109321296 and 109321305.

It is not an unprimeable number, because it can be changed into a prime (109321319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184057 + ... + 184649.

It is an arithmetic number, because the mean of its divisors is an integer number (5114340).

Almost surely, 2^109321329 is an apocalyptic number.

It is an amenable number.

109321329 is a deficient number, since it is larger than the sum of its proper divisors (54337551).

109321329 is a wasteful number, since it uses less digits than its factorization.

109321329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 109321329 is about 10455.6840522273. The cubic root of 109321329 is about 478.1545589483.

It can be divided in two parts, 1093 and 21329, that added together give a palindrome (22422).

The spelling of 109321329 in words is "one hundred nine million, three hundred twenty-one thousand, three hundred twenty-nine".