133344638300 has 36 divisors (see below), whose sum is σ = 296087127336. Its totient is φ = 52097438400.

The previous prime is 133344638299. The next prime is 133344638377. The reversal of 133344638300 is 3836443331.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15500891 + ... + 15509490.

It is an arithmetic number, because the mean of its divisors is an integer number (8224642426).

Almost surely, 2^133344638300 is an apocalyptic number.

133344638300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133344638300 is an abundant number, since it is smaller than the sum of its proper divisors (162742489036).

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

133344638300 is a wasteful number, since it uses less digits than its factorization.

133344638300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31010438 (or 31010431 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 133344638300 in words is "one hundred thirty-three billion, three hundred forty-four million, six hundred thirty-eight thousand, three hundred".