133313004424021 has 8 divisors (see below), whose sum is σ = 134293193357400. Its totient is φ = 132332918408448.

The previous prime is 133313004424001. The next prime is 133313004424073. The reversal of 133313004424021 is 120424400313331.

It can be written as a sum of positive squares in 4 ways, for example, as 57740408861521 + 75572595562500 = 7598711^2 + 8693250^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133313004424021 - 2³⁵ = 133278644685653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133313004424001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23128296 + ... + 28311553.

It is an arithmetic number, because the mean of its divisors is an integer number (16786649169675).

Almost surely, 2^{133313004424021} is an apocalyptic number.

It is an amenable number.

133313004424021 is a deficient number, since it is larger than the sum of its proper divisors (980188933379).

133313004424021 is a wasteful number, since it uses less digits than its factorization.

133313004424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51458903.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 133313004424021 its reverse (120424400313331), we get a palindrome (253737404737352).

The spelling of 133313004424021 in words is "one hundred thirty-three trillion, three hundred thirteen billion, four million, four hundred twenty-four thousand, twenty-one".