13133405205 has 32 divisors (see below), whose sum is σ = 23636545920. Its totient is φ = 7004476944.

The previous prime is 13133405203. The next prime is 13133405209. The reversal of 13133405205 is 50250433131.

13133405205 is a `hidden beast` number, since 1 + 3 + 133 + 4 + 0 + 520 + 5 = 666.

It is not a de Polignac number, because 13133405205 - 2¹ = 13133405203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133405203) 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 31 ways as a sum of consecutive naturals, for example, 589587 + ... + 611456.

It is an arithmetic number, because the mean of its divisors is an integer number (738642060).

Almost surely, 2^13133405205 is an apocalyptic number.

13133405205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13133405205 is a deficient number, since it is larger than the sum of its proper divisors (10503140715).

13133405205 is an frugal number, since it uses more digits than its factorization.

13133405205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201069 (or 1201051 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13133405205 its reverse (50250433131), we get a palindrome (63383838336).

The spelling of 13133405205 in words is "thirteen billion, one hundred thirty-three million, four hundred five thousand, two hundred five".