133342301540321 has 4 divisors (see below), whose sum is σ = 136594552797444. Its totient is φ = 130090050283200.

The previous prime is 133342301540309. The next prime is 133342301540339. The reversal of 133342301540321 is 123045103243331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25892180926096 + 107450120614225 = 5088436^2 + 10365815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133342301540321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133342301540341) 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, 1626125628500 + ... + 1626125628581.

It is an arithmetic number, because the mean of its divisors is an integer number (34148638199361).

Almost surely, 2^{133342301540321} is an apocalyptic number.

It is an amenable number.

133342301540321 is a deficient number, since it is larger than the sum of its proper divisors (3252251257123).

133342301540321 is an equidigital number, since it uses as much as digits as its factorization.

133342301540321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252251257122.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 133342301540321 its reverse (123045103243331), we get a palindrome (256387404783652).

The spelling of 133342301540321 in words is "one hundred thirty-three trillion, three hundred forty-two billion, three hundred one million, five hundred forty thousand, three hundred twenty-one".