13205215133 has 8 divisors (see below), whose sum is σ = 14406520800. Its totient is φ = 12004048080.

The previous prime is 13205215123. The next prime is 13205215141. The reversal of 13205215133 is 33151250231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13205215133 - 2⁴ = 13205215117 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 (13205215123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362666 + ... + 397412.

It is an arithmetic number, because the mean of its divisors is an integer number (1800815100).

Almost surely, 2^13205215133 is an apocalyptic number.

It is an amenable number.

13205215133 is a deficient number, since it is larger than the sum of its proper divisors (1201305667).

13205215133 is a wasteful number, since it uses less digits than its factorization.

13205215133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69307.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13205215133 its reverse (33151250231), we get a palindrome (46356465364).

The spelling of 13205215133 in words is "thirteen billion, two hundred five million, two hundred fifteen thousand, one hundred thirty-three".