133566213131501 has 8 divisors (see below), whose sum is σ = 137876772503808. Its totient is φ = 129255777000000.

The previous prime is 133566213131387. The next prime is 133566213131521. The reversal of 133566213131501 is 105131312665331.

It is a happy number.

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 133566213131501 - 2³⁴ = 133549033262317 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 (133566213131521) 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, 28605155 + ... + 32945216.

It is an arithmetic number, because the mean of its divisors is an integer number (17234596562976).

Almost surely, 2^{133566213131501} is an apocalyptic number.

It is an amenable number.

133566213131501 is a deficient number, since it is larger than the sum of its proper divisors (4310559372307).

133566213131501 is an equidigital number, since it uses as much as digits as its factorization.

133566213131501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61620403.

The product of its (nonzero) digits is 145800, while the sum is 41.

Adding to 133566213131501 its reverse (105131312665331), we get a palindrome (238697525796832).

The spelling of 133566213131501 in words is "one hundred thirty-three trillion, five hundred sixty-six billion, two hundred thirteen million, one hundred thirty-one thousand, five hundred one".