133400332312 has 64 divisors (see below), whose sum is σ = 274217126400. Its totient is φ = 60466158720.

The previous prime is 133400332301. The next prime is 133400332313. The reversal of 133400332312 is 213233004331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133400332313) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2277489 + ... + 2335327.

It is an arithmetic number, because the mean of its divisors is an integer number (4284642600).

Almost surely, 2^133400332312 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 133400332312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137108563200).

133400332312 is an abundant number, since it is smaller than the sum of its proper divisors (140816794088).

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

133400332312 is a wasteful number, since it uses less digits than its factorization.

133400332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58256 (or 58252 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133400332312 its reverse (213233004331), we get a palindrome (346633336643).

The spelling of 133400332312 in words is "one hundred thirty-three billion, four hundred million, three hundred thirty-two thousand, three hundred twelve".