133323532525013 has 4 divisors (see below), whose sum is σ = 133324357050540. Its totient is φ = 133322707999488.

The previous prime is 133323532525009. The next prime is 133323532525021. The reversal of 133323532525013 is 310525235323331.

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 105399420682084 + 27924111842929 = 10266422^2 + 5284327^2 .

It is a cyclic number.

It is not a de Polignac number, because 133323532525013 - 2² = 133323532525009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133323532525063) 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, 412020170 + ... + 412343627.

It is an arithmetic number, because the mean of its divisors is an integer number (33331089262635).

Almost surely, 2^{133323532525013} is an apocalyptic number.

It is an amenable number.

133323532525013 is a deficient number, since it is larger than the sum of its proper divisors (824525527).

133323532525013 is an equidigital number, since it uses as much as digits as its factorization.

133323532525013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824525526.

The product of its (nonzero) digits is 729000, while the sum is 41.

Adding to 133323532525013 its reverse (310525235323331), we get a palindrome (443848767848344).

The spelling of 133323532525013 in words is "one hundred thirty-three trillion, three hundred twenty-three billion, five hundred thirty-two million, five hundred twenty-five thousand, thirteen".