133665431106052 has 6 divisors (see below), whose sum is σ = 233914504435598. Its totient is φ = 66832715553024.

The previous prime is 133665431106013. The next prime is 133665431106161. The reversal of 133665431106052 is 250601134566331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125578380542976 + 8087050563076 = 11206176^2 + 2843774^2 .

It is a super-3 number, since 3×133665431106052³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133665431105993 and 133665431106011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16708178888253 + ... + 16708178888260.

Almost surely, 2^{133665431106052} is an apocalyptic number.

It is an amenable number.

133665431106052 is a deficient number, since it is larger than the sum of its proper divisors (100249073329546).

133665431106052 is a wasteful number, since it uses less digits than its factorization.

133665431106052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33416357776517 (or 33416357776515 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 133665431106052 in words is "one hundred thirty-three trillion, six hundred sixty-five billion, four hundred thirty-one million, one hundred six thousand, fifty-two".