133368269621 has 8 divisors (see below), whose sum is σ = 137992063800. Its totient is φ = 128746134720.

The previous prime is 133368269597. The next prime is 133368269623. The reversal of 133368269621 is 126962863331.

It can be written as a sum of positive squares in 4 ways, for example, as 28252903396 + 105115366225 = 168086^2 + 324215^2 .

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 133368269621 - 2¹⁰ = 133368268597 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 133368269621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133368269623) 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, 250166 + ... + 573863.

It is an arithmetic number, because the mean of its divisors is an integer number (17249007975).

Almost surely, 2^133368269621 is an apocalyptic number.

It is an amenable number.

133368269621 is a deficient number, since it is larger than the sum of its proper divisors (4623794179).

133368269621 is an equidigital number, since it uses as much as digits as its factorization.

133368269621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829639.

The product of its digits is 1679616, while the sum is 50.

The spelling of 133368269621 in words is "one hundred thirty-three billion, three hundred sixty-eight million, two hundred sixty-nine thousand, six hundred twenty-one".