133023120113 has 4 divisors (see below), whose sum is σ = 143255667828. Its totient is φ = 122790572400.

The previous prime is 133023120049. The next prime is 133023120127. The reversal of 133023120113 is 311021320331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311021320331 = 3533 ⋅88033207.

It can be written as a sum of positive squares in 2 ways, for example, as 31531815184 + 101491304929 = 177572^2 + 318577^2 .

It is a cyclic number.

It is not a de Polignac number, because 133023120113 - 2⁶ = 133023120049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133023120143) 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, 5116273838 + ... + 5116273863.

It is an arithmetic number, because the mean of its divisors is an integer number (35813916957).

Almost surely, 2^133023120113 is an apocalyptic number.

133023120113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133023120113 is a deficient number, since it is larger than the sum of its proper divisors (10232547715).

133023120113 is a wasteful number, since it uses less digits than its factorization.

133023120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232547714.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133023120113 its reverse (311021320331), we get a palindrome (444044440444).

The spelling of 133023120113 in words is "one hundred thirty-three billion, twenty-three million, one hundred twenty thousand, one hundred thirteen".