109307685 has 16 divisors (see below), whose sum is σ = 175117824. Its totient is φ = 58222272.

The previous prime is 109307683. The next prime is 109307701. The reversal of 109307685 is 586703901.

It is not a de Polignac number, because 109307685 - 2¹ = 109307683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109307683) 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, 8524 + ... + 17066.

It is an arithmetic number, because the mean of its divisors is an integer number (10944864).

Almost surely, 2^109307685 is an apocalyptic number.

109307685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109307685 is a deficient number, since it is larger than the sum of its proper divisors (65810139).

109307685 is an equidigital number, since it uses as much as digits as its factorization.

109307685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 109307685 is about 10455.0315637974. The cubic root of 109307685 is about 478.1346658732.

The spelling of 109307685 in words is "one hundred nine million, three hundred seven thousand, six hundred eighty-five".