109825189 has 8 divisors (see below), whose sum is σ = 110888960. Its totient is φ = 108766800.

The previous prime is 109825159. The next prime is 109825201. The reversal of 109825189 is 981528901.

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

It is a cyclic number.

It is not a de Polignac number, because 109825189 - 2⁷ = 109825061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109825109) 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, 47932 + ... + 50170.

It is an arithmetic number, because the mean of its divisors is an integer number (13861120).

Almost surely, 2^109825189 is an apocalyptic number.

It is an amenable number.

109825189 is a deficient number, since it is larger than the sum of its proper divisors (1063771).

109825189 is a wasteful number, since it uses less digits than its factorization.

109825189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 109825189 is about 10479.7513806388. The cubic root of 109825189 is about 478.8880351041. Note that the first 3 decimals are identical.

The spelling of 109825189 in words is "one hundred nine million, eight hundred twenty-five thousand, one hundred eighty-nine".