109809133 has 8 divisors (see below), whose sum is σ = 125693568. Its totient is φ = 93974064.

The previous prime is 109809127. The next prime is 109809157. The reversal of 109809133 is 331908901.

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 109809133 - 2⁵ = 109809101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109807133) 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, 7441 + ... + 16582.

It is an arithmetic number, because the mean of its divisors is an integer number (15711696).

Almost surely, 2^109809133 is an apocalyptic number.

It is an amenable number.

109809133 is a deficient number, since it is larger than the sum of its proper divisors (15884435).

109809133 is an equidigital number, since it uses as much as digits as its factorization.

109809133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24683.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 109809133 is about 10478.9853039309. The cubic root of 109809133 is about 478.8646967999.

The spelling of 109809133 in words is "one hundred nine million, eight hundred nine thousand, one hundred thirty-three".