133422252133 has 4 divisors (see below), whose sum is σ = 133423008940. Its totient is φ = 133421495328.

The previous prime is 133422252071. The next prime is 133422252137. The reversal of 133422252133 is 331252224331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 331252224331 = 7 ⋅47321746333.

It can be written as a sum of positive squares in 2 ways, for example, as 41102291169 + 92319960964 = 202737^2 + 303842^2 .

It is a cyclic number.

It is not a de Polignac number, because 133422252133 - 2²⁹ = 132885381221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133422252095 and 133422252104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133422252137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40963 + ... + 518191.

It is an arithmetic number, because the mean of its divisors is an integer number (33355752235).

Almost surely, 2^133422252133 is an apocalyptic number.

It is an amenable number.

133422252133 is a deficient number, since it is larger than the sum of its proper divisors (756807).

133422252133 is an equidigital number, since it uses as much as digits as its factorization.

133422252133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756806.

The product of its digits is 25920, while the sum is 31.

Adding to 133422252133 its reverse (331252224331), we get a palindrome (464674476464).

The spelling of 133422252133 in words is "one hundred thirty-three billion, four hundred twenty-two million, two hundred fifty-two thousand, one hundred thirty-three".