109150989 has 8 divisors (see below), whose sum is σ = 145584192. Its totient is φ = 72742560.

The previous prime is 109150981. The next prime is 109151023. The reversal of 109150989 is 989051901.

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

It is not a de Polignac number, because 109150989 - 2³ = 109150981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109150989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109150981) 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, 10584 + ... + 18174.

It is an arithmetic number, because the mean of its divisors is an integer number (18198024).

Almost surely, 2^109150989 is an apocalyptic number.

It is an amenable number.

109150989 is a deficient number, since it is larger than the sum of its proper divisors (36433203).

109150989 is an equidigital number, since it uses as much as digits as its factorization.

109150989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12387.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 109150989 is about 10447.5350681393. The cubic root of 109150989 is about 477.9060829239.

The spelling of 109150989 in words is "one hundred nine million, one hundred fifty thousand, nine hundred eighty-nine".