133634255160641 has 8 divisors (see below), whose sum is σ = 134532725250600. Its totient is φ = 132735806349568.

The previous prime is 133634255160619. The next prime is 133634255160643. The reversal of 133634255160641 is 146061552436331.

It can be written as a sum of positive squares in 4 ways, for example, as 48717318400 + 133585537842241 = 220720^2 + 11557921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133634255160641 - 2³⁰ = 133633181418817 is a prime.

It is a super-2 number, since 2×133634255160641² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133634255160641.

It is not an unprimeable number, because it can be changed into a prime (133634255160643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7384415 + ... + 17938731.

It is an arithmetic number, because the mean of its divisors is an integer number (16816590656325).

Almost surely, 2^{133634255160641} is an apocalyptic number.

It is an amenable number.

133634255160641 is a deficient number, since it is larger than the sum of its proper divisors (898470089959).

133634255160641 is a wasteful number, since it uses less digits than its factorization.

133634255160641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639443.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 133634255160641 in words is "one hundred thirty-three trillion, six hundred thirty-four billion, two hundred fifty-five million, one hundred sixty thousand, six hundred forty-one".