133131123133 has 4 divisors (see below), whose sum is σ = 136227195808. Its totient is φ = 130035050460.

The previous prime is 133131123119. The next prime is 133131123143. The reversal of 133131123133 is 331321131331.

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 an emirpimes, since its reverse is a distinct semiprime: 331321131331 = 47 ⋅7049385773.

It is a cyclic number.

It is not a de Polignac number, because 133131123133 - 2⁵ = 133131123101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133131123098 and 133131123107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131123143) 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, 1548036273 + ... + 1548036358.

It is an arithmetic number, because the mean of its divisors is an integer number (34056798952).

Almost surely, 2^133131123133 is an apocalyptic number.

It is an amenable number.

133131123133 is a deficient number, since it is larger than the sum of its proper divisors (3096072675).

133131123133 is an equidigital number, since it uses as much as digits as its factorization.

133131123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096072674.

The product of its digits is 1458, while the sum is 25.

Adding to 133131123133 its reverse (331321131331), we get a palindrome (464452254464).

The spelling of 133131123133 in words is "one hundred thirty-three billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-three".