13228230939 has 192 divisors, whose sum is σ = 24554492928. Its totient is φ = 6146150400.

The previous prime is 13228230923. The next prime is 13228230943. The reversal of 13228230939 is 93903282231.

13228230939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13228230939 - 2⁴ = 13228230923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13228230939.

It is not an unprimeable number, because it can be changed into a prime (13228230959) 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 191 ways as a sum of consecutive naturals, for example, 181208607 + ... + 181208679.

It is an arithmetic number, because the mean of its divisors is an integer number (127887984).

Almost surely, 2^13228230939 is an apocalyptic number.

13228230939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13228230939 is a deficient number, since it is larger than the sum of its proper divisors (11326261989).

13228230939 is a wasteful number, since it uses less digits than its factorization.

13228230939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 13228230939 in words is "thirteen billion, two hundred twenty-eight million, two hundred thirty thousand, nine hundred thirty-nine".