133252634873 has 4 divisors (see below), whose sum is σ = 133253365248. Its totient is φ = 133251904500.

The previous prime is 133252634869. The next prime is 133252634881. The reversal of 133252634873 is 378436252331.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 378436252331 = 71 ⋅5330088061.

It is a cyclic number.

It is not a de Polignac number, because 133252634873 - 2² = 133252634869 is a prime.

It is a super-2 number, since 2×133252634873² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133252634813) 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, 166940 + ... + 542562.

It is an arithmetic number, because the mean of its divisors is an integer number (33313341312).

Almost surely, 2^133252634873 is an apocalyptic number.

It is an amenable number.

133252634873 is a deficient number, since it is larger than the sum of its proper divisors (730375).

133252634873 is an equidigital number, since it uses as much as digits as its factorization.

133252634873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730374.

The product of its digits is 2177280, while the sum is 47.

The spelling of 133252634873 in words is "one hundred thirty-three billion, two hundred fifty-two million, six hundred thirty-four thousand, eight hundred seventy-three".