133768910786341 has 2 divisors, whose sum is σ = 133768910786342. Its totient is φ = 133768910786340.

The previous prime is 133768910786339. The next prime is 133768910786419. The reversal of 133768910786341 is 143687019867331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89794386480100 + 43974524306241 = 9475990^2 + 6631329^2 .

It is an emirp because it is prime and its reverse (143687019867331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133768910786341 - 2¹ = 133768910786339 is a prime.

It is a super-3 number, since 3×133768910786341³ (a number of 43 digits) contains 333 as substring.

Together with 133768910786339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133768910766341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66884455393170 + 66884455393171.

It is an arithmetic number, because the mean of its divisors is an integer number (66884455393171).

Almost surely, 2^{133768910786341} is an apocalyptic number.

It is an amenable number.

133768910786341 is a deficient number, since it is larger than the sum of its proper divisors (1).

133768910786341 is an equidigital number, since it uses as much as digits as its factorization.

133768910786341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 133768910786341 in words is "one hundred thirty-three trillion, seven hundred sixty-eight billion, nine hundred ten million, seven hundred eighty-six thousand, three hundred forty-one".