133641221113 has 2 divisors, whose sum is σ = 133641221114. Its totient is φ = 133641221112.

The previous prime is 133641221089. The next prime is 133641221143. The reversal of 133641221113 is 311122146331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97773785344 + 35867435769 = 312688^2 + 189387^2 .

It is a cyclic number.

It is not a de Polignac number, because 133641221113 - 2⁵ = 133641221081 is a prime.

It is not a weakly prime, because it can be changed into another prime (133641221143) 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 as a sum of consecutive naturals, namely, 66820610556 + 66820610557.

It is an arithmetic number, because the mean of its divisors is an integer number (66820610557).

Almost surely, 2^133641221113 is an apocalyptic number.

It is an amenable number.

133641221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

133641221113 is an equidigital number, since it uses as much as digits as its factorization.

133641221113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

Adding to 133641221113 its reverse (311122146331), we get a palindrome (444763367444).

The spelling of 133641221113 in words is "one hundred thirty-three billion, six hundred forty-one million, two hundred twenty-one thousand, one hundred thirteen".