133344421133 has 12 divisors (see below), whose sum is σ = 169216297632. Its totient is φ = 103904743320.

The previous prime is 133344421127. The next prime is 133344421141. The reversal of 133344421133 is 331124443331.

It is a happy number.

It is not a de Polignac number, because 133344421133 - 2¹⁶ = 133344355597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133344421133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133344421103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123695585 + ... + 123696662.

It is an arithmetic number, because the mean of its divisors is an integer number (14101358136).

Almost surely, 2^133344421133 is an apocalyptic number.

It is an amenable number.

133344421133 is a deficient number, since it is larger than the sum of its proper divisors (35871876499).

133344421133 is a wasteful number, since it uses less digits than its factorization.

133344421133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247392272 (or 247392265 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

Adding to 133344421133 its reverse (331124443331), we get a palindrome (464468864464).

The spelling of 133344421133 in words is "one hundred thirty-three billion, three hundred forty-four million, four hundred twenty-one thousand, one hundred thirty-three".