119339809 has 2 divisors, whose sum is σ = 119339810. Its totient is φ = 119339808.

The previous prime is 119339783. The next prime is 119339819. The reversal of 119339809 is 908933911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89397025 + 29942784 = 9455^2 + 5472^2 .

It is an emirp because it is prime and its reverse (908933911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 119339809 - 2⁵ = 119339777 is a prime.

It is not a weakly prime, because it can be changed into another prime (119339819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59669904 + 59669905.

It is an arithmetic number, because the mean of its divisors is an integer number (59669905).

Almost surely, 2^119339809 is an apocalyptic number.

It is an amenable number.

119339809 is a deficient number, since it is larger than the sum of its proper divisors (1).

119339809 is an equidigital number, since it uses as much as digits as its factorization.

119339809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 119339809 is about 10924.2761316254. The cubic root of 119339809 is about 492.3362115221.

The spelling of 119339809 in words is "one hundred nineteen million, three hundred thirty-nine thousand, eight hundred nine".