109026709 has 4 divisors (see below), whose sum is σ = 118938240. Its totient is φ = 99115180.

The previous prime is 109026649. The next prime is 109026719. The reversal of 109026709 is 907620901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109026709 - 2¹³ = 109018517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109026719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4955749 + ... + 4955770.

It is an arithmetic number, because the mean of its divisors is an integer number (29734560).

Almost surely, 2^109026709 is an apocalyptic number.

It is an amenable number.

109026709 is a deficient number, since it is larger than the sum of its proper divisors (9911531).

109026709 is an equidigital number, since it uses as much as digits as its factorization.

109026709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911530.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 109026709 is about 10441.5855596744. The cubic root of 109026709 is about 477.7246317525.

The spelling of 109026709 in words is "one hundred nine million, twenty-six thousand, seven hundred nine".