133340443120 has 80 divisors (see below), whose sum is σ = 318987717408. Its totient is φ = 51798113280.

The previous prime is 133340443099. The next prime is 133340443237. The reversal of 133340443120 is 21344043331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559727 + ... + 1642993.

Almost surely, 2^133340443120 is an apocalyptic number.

133340443120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133340443120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159493858704).

133340443120 is an abundant number, since it is smaller than the sum of its proper divisors (185647274288).

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

133340443120 is a wasteful number, since it uses less digits than its factorization.

133340443120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83858 (or 83852 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 133340443120 its reverse (21344043331), we get a palindrome (154684486451).

The spelling of 133340443120 in words is "one hundred thirty-three billion, three hundred forty million, four hundred forty-three thousand, one hundred twenty".