133333040013 has 4 divisors (see below), whose sum is σ = 177777386688. Its totient is φ = 88888693340.

The previous prime is 133333039907. The next prime is 133333040041. The reversal of 133333040013 is 310040333331.

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.

It is a cyclic number.

It is not a de Polignac number, because 133333040013 - 2²⁴ = 133316262797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333040063) 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, 22222173333 + ... + 22222173338.

It is an arithmetic number, because the mean of its divisors is an integer number (44444346672).

Almost surely, 2^133333040013 is an apocalyptic number.

It is an amenable number.

133333040013 is a deficient number, since it is larger than the sum of its proper divisors (44444346675).

133333040013 is an equidigital number, since it uses as much as digits as its factorization.

133333040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44444346674.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 133333040013 its reverse (310040333331), we get a palindrome (443373373344).

The spelling of 133333040013 in words is "one hundred thirty-three billion, three hundred thirty-three million, forty thousand, thirteen".