133232402144 has 144 divisors (see below), whose sum is σ = 280455880320. Its totient is φ = 62232883200.

The previous prime is 133232402089. The next prime is 133232402179. The reversal of 133232402144 is 441204232331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181762802 + ... + 181763534.

It is an arithmetic number, because the mean of its divisors is an integer number (1947610280).

Almost surely, 2^133232402144 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 133232402144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140227940160).

133232402144 is an abundant number, since it is smaller than the sum of its proper divisors (147223478176).

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

133232402144 is a wasteful number, since it uses less digits than its factorization.

133232402144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 916 counting only the distinct ones).

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

Adding to 133232402144 its reverse (441204232331), we get a palindrome (574436634475).

The spelling of 133232402144 in words is "one hundred thirty-three billion, two hundred thirty-two million, four hundred two thousand, one hundred forty-four".