133133205365 has 16 divisors (see below), whose sum is σ = 169112275200. Its totient is φ = 100442432832.

The previous prime is 133133205349. The next prime is 133133205397. The reversal of 133133205365 is 563502331331.

It is a cyclic number.

It is not a de Polignac number, because 133133205365 - 2⁴ = 133133205349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10670045 + ... + 10682514.

It is an arithmetic number, because the mean of its divisors is an integer number (10569517200).

Almost surely, 2^133133205365 is an apocalyptic number.

It is an amenable number.

133133205365 is a deficient number, since it is larger than the sum of its proper divisors (35979069835).

133133205365 is a wasteful number, since it uses less digits than its factorization.

133133205365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352636.

The product of its (nonzero) digits is 72900, while the sum is 35.

Adding to 133133205365 its reverse (563502331331), we get a palindrome (696635536696).

The spelling of 133133205365 in words is "one hundred thirty-three billion, one hundred thirty-three million, two hundred five thousand, three hundred sixty-five".