133523235201361 has 8 divisors (see below), whose sum is σ = 137813002691040. Its totient is φ = 129301023105408.

The previous prime is 133523235201269. The next prime is 133523235201379. The reversal of 133523235201361 is 163102532325331.

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 133523235201361 - 2¹⁹ = 133523234677073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133523235202361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16888844416 + ... + 16888852321.

It is an arithmetic number, because the mean of its divisors is an integer number (17226625336380).

Almost surely, 2^{133523235201361} is an apocalyptic number.

It is an amenable number.

133523235201361 is a deficient number, since it is larger than the sum of its proper divisors (4289767489679).

133523235201361 is an equidigital number, since it uses as much as digits as its factorization.

133523235201361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33777696863.

The product of its (nonzero) digits is 291600, while the sum is 40.

Adding to 133523235201361 its reverse (163102532325331), we get a palindrome (296625767526692).

The spelling of 133523235201361 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, two hundred thirty-five million, two hundred one thousand, three hundred sixty-one".