133235334131021 has 4 divisors (see below), whose sum is σ = 133237160371200. Its totient is φ = 133233507890844.

The previous prime is 133235334130961. The next prime is 133235334131059. The reversal of 133235334131021 is 120131433532331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133235334131021 - 2¹⁸ = 133235333868877 is a prime.

It is a super-2 number, since 2×133235334131021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133235334131321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913010651 + ... + 913156568.

It is an arithmetic number, because the mean of its divisors is an integer number (33309290092800).

Almost surely, 2^{133235334131021} is an apocalyptic number.

It is an amenable number.

133235334131021 is a deficient number, since it is larger than the sum of its proper divisors (1826240179).

133235334131021 is an equidigital number, since it uses as much as digits as its factorization.

133235334131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826240178.

The product of its (nonzero) digits is 58320, while the sum is 35.

Adding to 133235334131021 its reverse (120131433532331), we get a palindrome (253366767663352).

The spelling of 133235334131021 in words is "one hundred thirty-three trillion, two hundred thirty-five billion, three hundred thirty-four million, one hundred thirty-one thousand, twenty-one".