109249089 has 16 divisors (see below), whose sum is σ = 154674432. Its totient is φ = 68352768.

The previous prime is 109249087. The next prime is 109249097. The reversal of 109249089 is 980942901.

It is not a de Polignac number, because 109249089 - 2¹ = 109249087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109249089.

It is not an unprimeable number, because it can be changed into a prime (109249081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16152 + ... + 21894.

It is an arithmetic number, because the mean of its divisors is an integer number (9667152).

Almost surely, 2^109249089 is an apocalyptic number.

It is an amenable number.

109249089 is a deficient number, since it is larger than the sum of its proper divisors (45425343).

109249089 is a wasteful number, since it uses less digits than its factorization.

109249089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 109249089 is about 10452.2289010526. The cubic root of 109249089 is about 478.0492135507.

The spelling of 109249089 in words is "one hundred nine million, two hundred forty-nine thousand, eighty-nine".