133333303333332 has 144 divisors (see below), whose sum is σ = 338644583101440. Its totient is φ = 40800406015488.

The previous prime is 133333303333283. The next prime is 133333303333339. The reversal of 133333303333332 is 233333303333331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333303333339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106598383 + ... + 107841929.

It is an arithmetic number, because the mean of its divisors is an integer number (2351698493760).

Almost surely, 2^{133333303333332} is an apocalyptic number.

133333303333332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133333303333332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169322291550720).

133333303333332 is an abundant number, since it is smaller than the sum of its proper divisors (205311279768108).

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

133333303333332 is a wasteful number, since it uses less digits than its factorization.

133333303333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244350 (or 1244331 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 39.

Adding to 133333303333332 its reverse (233333303333331), we get a palindrome (366666606666663).

Subtracting 133333303333332 from its reverse (233333303333331), we obtain a palindrome (99999999999999).

The spelling of 133333303333332 in words is "one hundred thirty-three trillion, three hundred thirty-three billion, three hundred three million, three hundred thirty-three thousand, three hundred thirty-two".