109027839 has 4 divisors (see below), whose sum is σ = 145370456. Its totient is φ = 72685224.

The previous prime is 109027829. The next prime is 109027879. The reversal of 109027839 is 938720901.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 109027839 - 2¹⁵ = 108995071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109027797 and 109027806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109027829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18171304 + ... + 18171309.

It is an arithmetic number, because the mean of its divisors is an integer number (36342614).

Almost surely, 2^109027839 is an apocalyptic number.

109027839 is a deficient number, since it is larger than the sum of its proper divisors (36342617).

109027839 is an equidigital number, since it uses as much as digits as its factorization.

109027839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36342616.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 109027839 is about 10441.6396700901. The cubic root of 109027839 is about 477.7262821951.

The spelling of 109027839 in words is "one hundred nine million, twenty-seven thousand, eight hundred thirty-nine".