133346800008 has 96 divisors (see below), whose sum is σ = 381635560800. Its totient is φ = 41945554944.

The previous prime is 133346800007. The next prime is 133346800009. The reversal of 133346800008 is 800008643331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133346800007) and next prime (133346800009).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (133346800007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161935 + ... + 541217.

It is an arithmetic number, because the mean of its divisors is an integer number (3975370425).

Almost surely, 2^133346800008 is an apocalyptic number.

133346800008 is a gapful number since it is divisible by the number (18) 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 133346800008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190817780400).

133346800008 is an abundant number, since it is smaller than the sum of its proper divisors (248288760792).

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

133346800008 is a wasteful number, since it uses less digits than its factorization.

133346800008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379571 (or 379564 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 133346800008 in words is "one hundred thirty-three billion, three hundred forty-six million, eight hundred thousand, eight".