133033123000013 has 4 divisors (see below), whose sum is σ = 133033638257820. Its totient is φ = 133032607742208.

The previous prime is 133033123000009. The next prime is 133033123000049. The reversal of 133033123000013 is 310000321330331.

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 99119586397924 + 33913536602089 = 9955882^2 + 5823533^2 .

It is a cyclic number.

It is not a de Polignac number, because 133033123000013 - 2² = 133033123000009 is a prime.

It is a super-2 number, since 2×133033123000013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033123003013) 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, 257241428 + ... + 257758061.

It is an arithmetic number, because the mean of its divisors is an integer number (33258409564455).

Almost surely, 2^{133033123000013} is an apocalyptic number.

It is an amenable number.

133033123000013 is a deficient number, since it is larger than the sum of its proper divisors (515257807).

133033123000013 is an equidigital number, since it uses as much as digits as its factorization.

133033123000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515257806.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 133033123000013 its reverse (310000321330331), we get a palindrome (443033444330344).

The spelling of 133033123000013 in words is "one hundred thirty-three trillion, thirty-three billion, one hundred twenty-three million, thirteen", and thus it is an aban number.