133123440224 has 24 divisors (see below), whose sum is σ = 271124249760. Its totient is φ = 64266487936.

The previous prime is 133123440211. The next prime is 133123440239. The reversal of 133123440224 is 422044321331.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71725064 + ... + 71726919.

It is an arithmetic number, because the mean of its divisors is an integer number (11296843740).

Almost surely, 2^133123440224 is an apocalyptic number.

It is an amenable number.

133123440224 is an abundant number, since it is smaller than the sum of its proper divisors (138000809536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133123440224 is a wasteful number, since it uses less digits than its factorization.

133123440224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143452022 (or 143452014 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 133123440224 its reverse (422044321331), we get a palindrome (555167761555).

The spelling of 133123440224 in words is "one hundred thirty-three billion, one hundred twenty-three million, four hundred forty thousand, two hundred twenty-four".