133113333121897 has 2 divisors, whose sum is σ = 133113333121898. Its totient is φ = 133113333121896.

The previous prime is 133113333121889. The next prime is 133113333121919. The reversal of 133113333121897 is 798121333311331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131807023564176 + 1306309557721 = 11480724^2 + 1142939^2 .

It is a cyclic number.

It is not a de Polignac number, because 133113333121897 - 2³ = 133113333121889 is a prime.

It is a super-2 number, since 2×133113333121897² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133113333121897.

It is not a weakly prime, because it can be changed into another prime (133113333121877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66556666560948 + 66556666560949.

It is an arithmetic number, because the mean of its divisors is an integer number (66556666560949).

Almost surely, 2^{133113333121897} is an apocalyptic number.

It is an amenable number.

133113333121897 is a deficient number, since it is larger than the sum of its proper divisors (1).

133113333121897 is an equidigital number, since it uses as much as digits as its factorization.

133113333121897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The spelling of 133113333121897 in words is "one hundred thirty-three trillion, one hundred thirteen billion, three hundred thirty-three million, one hundred twenty-one thousand, eight hundred ninety-seven".