109907189 has 8 divisors (see below), whose sum is σ = 127122240. Its totient is φ = 93070656.

The previous prime is 109907173. The next prime is 109907201. The reversal of 109907189 is 981709901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109907189 - 2⁴ = 109907173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109907689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94004 + ... + 95165.

It is an arithmetic number, because the mean of its divisors is an integer number (15890280).

Almost surely, 2^109907189 is an apocalyptic number.

It is an amenable number.

109907189 is a deficient number, since it is larger than the sum of its proper divisors (17215051).

109907189 is an equidigital number, since it uses as much as digits as its factorization.

109907189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189259.

The product of its (nonzero) digits is 40824, while the sum is 44.

The square root of 109907189 is about 10483.6629571920. The cubic root of 109907189 is about 479.0071912833.

The spelling of 109907189 in words is "one hundred nine million, nine hundred seven thousand, one hundred eighty-nine".