13947568133 has 2 divisors, whose sum is σ = 13947568134. Its totient is φ = 13947568132.

The previous prime is 13947568123. The next prime is 13947568181. The reversal of 13947568133 is 33186574931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9404538529 + 4543029604 = 96977^2 + 67402^2 .

It is a cyclic number.

It is not a de Polignac number, because 13947568133 - 2⁸ = 13947567877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13947568123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973784066 + 6973784067.

It is an arithmetic number, because the mean of its divisors is an integer number (6973784067).

Almost surely, 2^13947568133 is an apocalyptic number.

It is an amenable number.

13947568133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13947568133 is an equidigital number, since it uses as much as digits as its factorization.

13947568133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The spelling of 13947568133 in words is "thirteen billion, nine hundred forty-seven million, five hundred sixty-eight thousand, one hundred thirty-three".