133400332432 has 40 divisors (see below), whose sum is σ = 272312481600. Its totient is φ = 63132492672.

The previous prime is 133400332421. The next prime is 133400332433. The reversal of 133400332432 is 234233004331.

It is a happy number.

It is a super-2 number, since 2×133400332432² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133400332432.

It is not an unprimeable number, because it can be changed into a prime (133400332433) 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 7 ways as a sum of consecutive naturals, for example, 139293 + ... + 534979.

It is an arithmetic number, because the mean of its divisors is an integer number (6807812040).

Almost surely, 2^133400332432 is an apocalyptic number.

It is an amenable number.

133400332432 is an abundant number, since it is smaller than the sum of its proper divisors (138912149168).

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

133400332432 is a wasteful number, since it uses less digits than its factorization.

133400332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396823 (or 396817 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 133400332432 its reverse (234233004331), we get a palindrome (367633336763).

The spelling of 133400332432 in words is "one hundred thirty-three billion, four hundred million, three hundred thirty-two thousand, four hundred thirty-two".