109194985 has 8 divisors (see below), whose sum is σ = 132693120. Its totient is φ = 86249904.

The previous prime is 109194977. The next prime is 109195003. The reversal of 109194985 is 589491901.

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 109194985 - 2³ = 109194977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137827 + ... + 138616.

It is an arithmetic number, because the mean of its divisors is an integer number (16586640).

Almost surely, 2^109194985 is an apocalyptic number.

It is an amenable number.

109194985 is a deficient number, since it is larger than the sum of its proper divisors (23498135).

109194985 is an equidigital number, since it uses as much as digits as its factorization.

109194985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276527.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 109194985 is about 10449.6404244357. The cubic root of 109194985 is about 477.9702849125.

The spelling of 109194985 in words is "one hundred nine million, one hundred ninety-four thousand, nine hundred eighty-five".