133700231008 has 24 divisors (see below), whose sum is σ = 264837201048. Its totient is φ = 66439989504.

The previous prime is 133700231003. The next prime is 133700231033. The reversal of 133700231008 is 800132007331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133700231003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12811141 + ... + 12821572.

It is an arithmetic number, because the mean of its divisors is an integer number (11034883377).

Almost surely, 2^133700231008 is an apocalyptic number.

It is an amenable number.

133700231008 is a deficient number, since it is larger than the sum of its proper divisors (131136970040).

133700231008 is a wasteful number, since it uses less digits than its factorization.

133700231008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25632886 (or 25632878 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 133700231008 its reverse (800132007331), we get a palindrome (933832238339).

The spelling of 133700231008 in words is "one hundred thirty-three billion, seven hundred million, two hundred thirty-one thousand, eight".