133440002321 has 4 divisors (see below), whose sum is σ = 133725741552. Its totient is φ = 133154263092.

The previous prime is 133440002291. The next prime is 133440002327. The reversal of 133440002321 is 123200044331.

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 133440002321 - 2²² = 133435808017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133440002327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142868915 + ... + 142869848.

It is an arithmetic number, because the mean of its divisors is an integer number (33431435388).

Almost surely, 2^133440002321 is an apocalyptic number.

It is an amenable number.

133440002321 is a deficient number, since it is larger than the sum of its proper divisors (285739231).

133440002321 is an equidigital number, since it uses as much as digits as its factorization.

133440002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285739230.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 133440002321 its reverse (123200044331), we get a palindrome (256640046652).

The spelling of 133440002321 in words is "one hundred thirty-three billion, four hundred forty million, two thousand, three hundred twenty-one".