109499709 has 8 divisors (see below), whose sum is σ = 159272352. Its totient is φ = 66363440.

The previous prime is 109499701. The next prime is 109499713. The reversal of 109499709 is 907994901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109499709 - 2³ = 109499701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109499701) 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, 1659054 + ... + 1659119.

It is an arithmetic number, because the mean of its divisors is an integer number (19909044).

Almost surely, 2^109499709 is an apocalyptic number.

It is an amenable number.

109499709 is a deficient number, since it is larger than the sum of its proper divisors (49772643).

109499709 is a wasteful number, since it uses less digits than its factorization.

109499709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318187.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 109499709 is about 10464.2108637011. The cubic root of 109499709 is about 478.4144864542.

The spelling of 109499709 in words is "one hundred nine million, four hundred ninety-nine thousand, seven hundred nine".