133303310040421 has 16 divisors (see below), whose sum is σ = 134529190778880. Its totient is φ = 132080235094080.

The previous prime is 133303310040419. The next prime is 133303310040503. The reversal of 133303310040421 is 124040013303331.

It is a cyclic number.

It is not a de Polignac number, because 133303310040421 - 2¹ = 133303310040419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133303310040421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133303310940421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669399615 + ... + 669598723.

It is an arithmetic number, because the mean of its divisors is an integer number (8408074423680).

Almost surely, 2^{133303310040421} is an apocalyptic number.

It is an amenable number.

133303310040421 is a deficient number, since it is larger than the sum of its proper divisors (1225880738459).

133303310040421 is a wasteful number, since it uses less digits than its factorization.

133303310040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206124.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133303310040421 its reverse (124040013303331), we get a palindrome (257343323343752).

The spelling of 133303310040421 in words is "one hundred thirty-three trillion, three hundred three billion, three hundred ten million, forty thousand, four hundred twenty-one".