109086309 has 24 divisors (see below), whose sum is σ = 166695360. Its totient is φ = 68599872.

The previous prime is 109086293. The next prime is 109086337. The reversal of 109086309 is 903680901.

109086309 is a `hidden beast` number, since 10 + 9 + 0 + 8 + 630 + 9 = 666.

It is not a de Polignac number, because 109086309 - 2⁴ = 109086293 is a prime.

It is a super-2 number, since 2×109086309² = 23799645622486962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109086379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11502 + ... + 18720.

It is an arithmetic number, because the mean of its divisors is an integer number (6945640).

Almost surely, 2^109086309 is an apocalyptic number.

It is an amenable number.

109086309 is a deficient number, since it is larger than the sum of its proper divisors (57609051).

109086309 is a wasteful number, since it uses less digits than its factorization.

109086309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321 (or 7318 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 109086309 is about 10444.4391424336. The cubic root of 109086309 is about 477.8116660878.

The spelling of 109086309 in words is "one hundred nine million, eighty-six thousand, three hundred nine".