109639339 has 2 divisors, whose sum is σ = 109639340. Its totient is φ = 109639338.

The previous prime is 109639337. The next prime is 109639349. The reversal of 109639339 is 933936901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109639339 - 2¹ = 109639337 is a prime.

Together with 109639337, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 109639295 and 109639304.

It is not a weakly prime, because it can be changed into another prime (109639333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54819669 + 54819670.

It is an arithmetic number, because the mean of its divisors is an integer number (54819670).

Almost surely, 2^109639339 is an apocalyptic number.

109639339 is a deficient number, since it is larger than the sum of its proper divisors (1).

109639339 is an equidigital number, since it uses as much as digits as its factorization.

109639339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118098, while the sum is 43.

The square root of 109639339 is about 10470.8805264887. The cubic root of 109639339 is about 478.6177522631.

It can be divided in two parts, 10963 and 9339, that added together give a palindrome (20302).

The spelling of 109639339 in words is "one hundred nine million, six hundred thirty-nine thousand, three hundred thirty-nine".