109345687 has 8 divisors (see below), whose sum is σ = 119370240. Its totient is φ = 99335160.

The previous prime is 109345583. The next prime is 109345697. The reversal of 109345687 is 786543901.

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 109345687 - 2¹⁹ = 108821399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109345697) 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, 19258 + ... + 24280.

It is an arithmetic number, because the mean of its divisors is an integer number (14921280).

Almost surely, 2^109345687 is an apocalyptic number.

109345687 is a deficient number, since it is larger than the sum of its proper divisors (10024553).

109345687 is a wasteful number, since it uses less digits than its factorization.

109345687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 109345687 is about 10456.8488083170. The cubic root of 109345687 is about 478.1900690174.

The spelling of 109345687 in words is "one hundred nine million, three hundred forty-five thousand, six hundred eighty-seven".