109390939 has 8 divisors (see below), whose sum is σ = 125102048. Its totient is φ = 93700800.

The previous prime is 109390933. The next prime is 109390943. The reversal of 109390939 is 939093901.

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 109390939 - 2¹³ = 109382747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109390895 and 109390904.

It is not an unprimeable number, because it can be changed into a prime (109390933) 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 7 ways as a sum of consecutive naturals, for example, 8269 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (15637756).

Almost surely, 2^109390939 is an apocalyptic number.

109390939 is a deficient number, since it is larger than the sum of its proper divisors (15711109).

109390939 is an equidigital number, since it uses as much as digits as its factorization.

109390939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485.

The product of its (nonzero) digits is 59049, while the sum is 43.

The square root of 109390939 is about 10459.0123338679. The cubic root of 109390939 is about 478.2560252010.

The spelling of 109390939 in words is "one hundred nine million, three hundred ninety thousand, nine hundred thirty-nine".