133565215336216 has 32 divisors (see below), whose sum is σ = 252985922708400. Its totient is φ = 66102676950400.

The previous prime is 133565215336207. The next prime is 133565215336271. The reversal of 133565215336216 is 612633512565331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20539546 + ... + 26248873.

Almost surely, 2^{133565215336216} is an apocalyptic number.

It is an amenable number.

133565215336216 is a deficient number, since it is larger than the sum of its proper divisors (119420707372184).

133565215336216 is a wasteful number, since it uses less digits than its factorization.

133565215336216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46792059 (or 46792055 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 52.

The spelling of 133565215336216 in words is "one hundred thirty-three trillion, five hundred sixty-five billion, two hundred fifteen million, three hundred thirty-six thousand, two hundred sixteen".