133020540433406 has 32 divisors (see below), whose sum is σ = 200245747968000. Its totient is φ = 66272433629920.

The previous prime is 133020540433393. The next prime is 133020540433421. The reversal of 133020540433406 is 604334045020331.

It is a self number, because there is not a number n which added to its sum of digits gives 133020540433406.

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, 2184250745 + ... + 2184311643.

It is an arithmetic number, because the mean of its divisors is an integer number (6257679624000).

Almost surely, 2^{133020540433406} is an apocalyptic number.

133020540433406 is a deficient number, since it is larger than the sum of its proper divisors (67225207534594).

133020540433406 is a wasteful number, since it uses less digits than its factorization.

133020540433406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64744.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 133020540433406 its reverse (604334045020331), we get a palindrome (737354585453737).

The spelling of 133020540433406 in words is "one hundred thirty-three trillion, twenty billion, five hundred forty million, four hundred thirty-three thousand, four hundred six".