133233840512 has 32 divisors (see below), whose sum is σ = 281040136920. Its totient is φ = 62698276864.

The previous prime is 133233840511. The next prime is 133233840539. The reversal of 133233840512 is 215048332331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133233840511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30612218 + ... + 30616569.

Almost surely, 2^133233840512 is an apocalyptic number.

It is an amenable number.

133233840512 is an abundant number, since it is smaller than the sum of its proper divisors (147806296408).

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

133233840512 is an equidigital number, since it uses as much as digits as its factorization.

133233840512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61228818 (or 61228806 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 133233840512 in words is "one hundred thirty-three billion, two hundred thirty-three million, eight hundred forty thousand, five hundred twelve".