133020553565631 has 8 divisors (see below), whose sum is σ = 177361130349360. Its totient is φ = 88680172912832.

The previous prime is 133020553565593. The next prime is 133020553565671. The reversal of 133020553565631 is 136565355020331.

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 133020553565631 - 2³⁰ = 133019479823807 is a prime.

It is a super-2 number, since 2×133020553565631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133020553565671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47442846 + ... + 50168363.

It is an arithmetic number, because the mean of its divisors is an integer number (22170141293670).

Almost surely, 2^{133020553565631} is an apocalyptic number.

133020553565631 is a deficient number, since it is larger than the sum of its proper divisors (44340576783729).

133020553565631 is an equidigital number, since it uses as much as digits as its factorization.

133020553565631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98065465.

The product of its (nonzero) digits is 3645000, while the sum is 48.

The spelling of 133020553565631 in words is "one hundred thirty-three trillion, twenty billion, five hundred fifty-three million, five hundred sixty-five thousand, six hundred thirty-one".