13990035806 has 16 divisors (see below), whose sum is σ = 22308244560. Its totient is φ = 6561244800.

The previous prime is 13990035803. The next prime is 13990035817. The reversal of 13990035806 is 60853009931.

13990035806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13990035806² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13990035803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818731 + ... + 1826406.

It is an arithmetic number, because the mean of its divisors is an integer number (1394265285).

Almost surely, 2^13990035806 is an apocalyptic number.

13990035806 is a deficient number, since it is larger than the sum of its proper divisors (8318208754).

13990035806 is a wasteful number, since it uses less digits than its factorization.

13990035806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645259.

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 13990035806 in words is "thirteen billion, nine hundred ninety million, thirty-five thousand, eight hundred six".