13920083939 has 4 divisors (see below), whose sum is σ = 14738912424. Its totient is φ = 13101255456.

The previous prime is 13920083927. The next prime is 13920083959. The reversal of 13920083939 is 93938002931.

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

It is a cyclic number.

It is not a de Polignac number, because 13920083939 - 2¹² = 13920079843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13920083893 and 13920083902.

It is not an unprimeable number, because it can be changed into a prime (13920083959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409414217 + ... + 409414250.

It is an arithmetic number, because the mean of its divisors is an integer number (3684728106).

Almost surely, 2^13920083939 is an apocalyptic number.

13920083939 is a deficient number, since it is larger than the sum of its proper divisors (818828485).

13920083939 is an equidigital number, since it uses as much as digits as its factorization.

13920083939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818828484.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 13920083939 in words is "thirteen billion, nine hundred twenty million, eighty-three thousand, nine hundred thirty-nine".