133333443504 has 120 divisors (see below), whose sum is σ = 382153603104. Its totient is φ = 43384320000.

The previous prime is 133333443469. The next prime is 133333443517. The reversal of 133333443504 is 405344333331.

133333443504 is a `hidden beast` number, since 133 + 3 + 33 + 443 + 50 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 968064 + ... + 1097184.

Almost surely, 2^133333443504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133333443504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191076801552).

133333443504 is an abundant number, since it is smaller than the sum of its proper divisors (248820159600).

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

133333443504 is a wasteful number, since it uses less digits than its factorization.

133333443504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129307 (or 129298 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 36.

Adding to 133333443504 its reverse (405344333331), we get a palindrome (538677776835).

The spelling of 133333443504 in words is "one hundred thirty-three billion, three hundred thirty-three million, four hundred forty-three thousand, five hundred four".