109839019 has 8 divisors (see below), whose sum is σ = 115768640. Its totient is φ = 103924296.

The previous prime is 109839013. The next prime is 109839043. The reversal of 109839019 is 910938901.

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 109839019 - 2⁵ = 109838987 is a prime.

It is a super-2 number, since 2×109839019² = 24129220189764722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109839013) 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 7 ways as a sum of consecutive naturals, for example, 13504 + ... + 20050.

It is an arithmetic number, because the mean of its divisors is an integer number (14471080).

Almost surely, 2^109839019 is an apocalyptic number.

109839019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

109839019 is a deficient number, since it is larger than the sum of its proper divisors (5929621).

109839019 is an equidigital number, since it uses as much as digits as its factorization.

109839019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 109839019 is about 10480.4112037649. The cubic root of 109839019 is about 478.9081359680.

It can be divided in two parts, 10983 and 9019, that added together give a palindrome (20002).

The spelling of 109839019 in words is "one hundred nine million, eight hundred thirty-nine thousand, nineteen".