119309109 has 4 divisors (see below), whose sum is σ = 159078816. Its totient is φ = 79539404.

The previous prime is 119309093. The next prime is 119309143. The reversal of 119309109 is 901903911.

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 119309109 - 2⁴ = 119309093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 119309109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119309149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19884849 + ... + 19884854.

It is an arithmetic number, because the mean of its divisors is an integer number (39769704).

Almost surely, 2^119309109 is an apocalyptic number.

It is an amenable number.

119309109 is a deficient number, since it is larger than the sum of its proper divisors (39769707).

119309109 is an equidigital number, since it uses as much as digits as its factorization.

119309109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39769706.

The product of its (nonzero) digits is 2187, while the sum is 33.

The square root of 119309109 is about 10922.8709138211. The cubic root of 119309109 is about 492.2939902994.

The spelling of 119309109 in words is "one hundred nineteen million, three hundred nine thousand, one hundred nine".