133205662042406 has 16 divisors (see below), whose sum is σ = 199827690987840. Its totient is φ = 66596432008680.

The previous prime is 133205662042379. The next prime is 133205662042417. The reversal of 133205662042406 is 604240266502331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919936225 + ... + 1920005603.

It is an arithmetic number, because the mean of its divisors is an integer number (12489230686740).

Almost surely, 2^{133205662042406} is an apocalyptic number.

133205662042406 is a deficient number, since it is larger than the sum of its proper divisors (66622028945434).

133205662042406 is a wasteful number, since it uses less digits than its factorization.

133205662042406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147779.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 133205662042406 in words is "one hundred thirty-three trillion, two hundred five billion, six hundred sixty-two million, forty-two thousand, four hundred six".