109153309 has 4 divisors (see below), whose sum is σ = 114898240. Its totient is φ = 103408380.

The previous prime is 109153283. The next prime is 109153313. The reversal of 109153309 is 903351901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 903351901 = 691 ⋅1307311.

It is a cyclic number.

It is not a de Polignac number, because 109153309 - 2²³ = 100764701 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 (109153349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872437 + ... + 2872474.

It is an arithmetic number, because the mean of its divisors is an integer number (28724560).

Almost surely, 2^109153309 is an apocalyptic number.

109153309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

109153309 is a deficient number, since it is larger than the sum of its proper divisors (5744931).

109153309 is an equidigital number, since it uses as much as digits as its factorization.

109153309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744930.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 109153309 is about 10447.6460985238. The cubic root of 109153309 is about 477.9094688583.

The spelling of 109153309 in words is "one hundred nine million, one hundred fifty-three thousand, three hundred nine".