133113310133 has 4 divisors (see below), whose sum is σ = 133538592588. Its totient is φ = 132688027680.

The previous prime is 133113310123. The next prime is 133113310153. The reversal of 133113310133 is 331013311331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16755231364 + 116358078769 = 129442^2 + 341113^2 .

It is a cyclic number.

It is not a de Polignac number, because 133113310133 - 2³⁴ = 115933440949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133113310099 and 133113310108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133113310103) 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, 212640758 + ... + 212641383.

It is an arithmetic number, because the mean of its divisors is an integer number (33384648147).

Almost surely, 2^133113310133 is an apocalyptic number.

It is an amenable number.

133113310133 is a deficient number, since it is larger than the sum of its proper divisors (425282455).

133113310133 is an equidigital number, since it uses as much as digits as its factorization.

133113310133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425282454.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 133113310133 its reverse (331013311331), we get a palindrome (464126621464).

The spelling of 133113310133 in words is "one hundred thirty-three billion, one hundred thirteen million, three hundred ten thousand, one hundred thirty-three".