133563646646252 has 24 divisors (see below), whose sum is σ = 235074811363392. Its totient is φ = 66400441430400.

The previous prime is 133563646646207. The next prime is 133563646646299. The reversal of 133563646646252 is 252646646365331.

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, 127804499 + ... + 128845322.

It is an arithmetic number, because the mean of its divisors is an integer number (9794783806808).

Almost surely, 2^{133563646646252} is an apocalyptic number.

It is an amenable number.

133563646646252 is a deficient number, since it is larger than the sum of its proper divisors (101511164717140).

133563646646252 is a wasteful number, since it uses less digits than its factorization.

133563646646252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256650569 (or 256650567 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 62.

The spelling of 133563646646252 in words is "one hundred thirty-three trillion, five hundred sixty-three billion, six hundred forty-six million, six hundred forty-six thousand, two hundred fifty-two".