133140120444 has 96 divisors (see below), whose sum is σ = 362110694400. Its totient is φ = 42246106560.

The previous prime is 133140120433. The next prime is 133140120469. The reversal of 133140120444 is 444021041331.

133140120444 is a `hidden beast` number, since 13 + 3 + 1 + 401 + 204 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 76992 + ... + 521735.

It is an arithmetic number, because the mean of its divisors is an integer number (3771986400).

Almost surely, 2^133140120444 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 133140120444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181055347200).

133140120444 is an abundant number, since it is smaller than the sum of its proper divisors (228970573956).

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

133140120444 is a wasteful number, since it uses less digits than its factorization.

133140120444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598840 (or 598832 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 133140120444 its reverse (444021041331), we get a palindrome (577161161775).

The spelling of 133140120444 in words is "one hundred thirty-three billion, one hundred forty million, one hundred twenty thousand, four hundred forty-four".