133112242013 has 4 divisors (see below), whose sum is σ = 133128866208. Its totient is φ = 133095617820.

The previous prime is 133112242001. The next prime is 133112242037. The reversal of 133112242013 is 310242211331.

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 133112242013 - 2¹² = 133112237917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133112242013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133112242313) 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, 8300081 + ... + 8316102.

It is an arithmetic number, because the mean of its divisors is an integer number (33282216552).

Almost surely, 2^133112242013 is an apocalyptic number.

It is an amenable number.

133112242013 is a deficient number, since it is larger than the sum of its proper divisors (16624195).

133112242013 is an equidigital number, since it uses as much as digits as its factorization.

133112242013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16624194.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 133112242013 its reverse (310242211331), we get a palindrome (443354453344).

The spelling of 133112242013 in words is "one hundred thirty-three billion, one hundred twelve million, two hundred forty-two thousand, thirteen".