133440402443 has 4 divisors (see below), whose sum is σ = 133458228120. Its totient is φ = 133422576768.

The previous prime is 133440402409. The next prime is 133440402451. The reversal of 133440402443 is 344204044331.

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

It is a cyclic number.

It is not a de Polignac number, because 133440402443 - 2³² = 129145435147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133440402493) 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 3 ways as a sum of consecutive naturals, for example, 8901605 + ... + 8916582.

It is an arithmetic number, because the mean of its divisors is an integer number (33364557030).

Almost surely, 2^133440402443 is an apocalyptic number.

133440402443 is a deficient number, since it is larger than the sum of its proper divisors (17825677).

133440402443 is an equidigital number, since it uses as much as digits as its factorization.

133440402443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17825676.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 133440402443 its reverse (344204044331), we get a palindrome (477644446774).

The spelling of 133440402443 in words is "one hundred thirty-three billion, four hundred forty million, four hundred two thousand, four hundred forty-three".