109384181 has 4 divisors (see below), whose sum is σ = 111711552. Its totient is φ = 107056812.

The previous prime is 109384153. The next prime is 109384189. The reversal of 109384181 is 181483901.

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.

It is a cyclic number.

It is not a de Polignac number, because 109384181 - 2¹⁸ = 109122037 is a prime.

It is a super-2 number, since 2×109384181² = 23929798106081522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109384189) 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, 1163615 + ... + 1163708.

It is an arithmetic number, because the mean of its divisors is an integer number (27927888).

Almost surely, 2^109384181 is an apocalyptic number.

It is an amenable number.

109384181 is a deficient number, since it is larger than the sum of its proper divisors (2327371).

109384181 is an equidigital number, since it uses as much as digits as its factorization.

109384181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327370.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 109384181 is about 10458.6892582197. The cubic root of 109384181 is about 478.2461763634.

The spelling of 109384181 in words is "one hundred nine million, three hundred eighty-four thousand, one hundred eighty-one".