109116189 has 48 divisors (see below), whose sum is σ = 198016000. Its totient is φ = 57534624.

The previous prime is 109116169. The next prime is 109116191. The reversal of 109116189 is 981611901.

It is not a de Polignac number, because 109116189 - 2¹⁵ = 109083421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109116109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38772 + ... + 41490.

Almost surely, 2^109116189 is an apocalyptic number.

It is an amenable number.

109116189 is a deficient number, since it is larger than the sum of its proper divisors (88899811).

109116189 is a wasteful number, since it uses less digits than its factorization.

109116189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759 (or 2742 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 36.

The square root of 109116189 is about 10445.8694707525. The cubic root of 109116189 is about 477.8552881499.

The spelling of 109116189 in words is "one hundred nine million, one hundred sixteen thousand, one hundred eighty-nine".