109309193 has 16 divisors (see below), whose sum is σ = 129659904. Its totient is φ = 90175680.

The previous prime is 109309181. The next prime is 109309229. The reversal of 109309193 is 391903901.

It is a happy number.

It is not a de Polignac number, because 109309193 - 2⁸ = 109308937 is a prime.

It is a super-2 number, since 2×109309193² = 23896999348622498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109309103) 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 15 ways as a sum of consecutive naturals, for example, 41471 + ... + 44027.

It is an arithmetic number, because the mean of its divisors is an integer number (8103744).

Almost surely, 2^109309193 is an apocalyptic number.

It is an amenable number.

109309193 is a deficient number, since it is larger than the sum of its proper divisors (20350711).

109309193 is a wasteful number, since it uses less digits than its factorization.

109309193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 109309193 is about 10455.1036819345. The cubic root of 109309193 is about 478.1368646322.

The spelling of 109309193 in words is "one hundred nine million, three hundred nine thousand, one hundred ninety-three".