133560235345021 has 4 divisors (see below), whose sum is σ = 133562920184512. Its totient is φ = 133557550505532.

The previous prime is 133560235345007. The next prime is 133560235345039. The reversal of 133560235345021 is 120543532065331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133560235345021 - 2⁹ = 133560235344509 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 (133560235345001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342345125 + ... + 1342444618.

It is an arithmetic number, because the mean of its divisors is an integer number (33390730046128).

Almost surely, 2^{133560235345021} is an apocalyptic number.

It is an amenable number.

133560235345021 is a deficient number, since it is larger than the sum of its proper divisors (2684839491).

133560235345021 is an equidigital number, since it uses as much as digits as its factorization.

133560235345021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684839490.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 133560235345021 in words is "one hundred thirty-three trillion, five hundred sixty billion, two hundred thirty-five million, three hundred forty-five thousand, twenty-one".