133700231007 has 72 divisors (see below), whose sum is σ = 238403412000. Its totient is φ = 71744053248.

The previous prime is 133700231003. The next prime is 133700231033. The reversal of 133700231007 is 700132007331.

It is not a de Polignac number, because 133700231007 - 2² = 133700231003 is a prime.

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 (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3346294 + ... + 3386012.

It is an arithmetic number, because the mean of its divisors is an integer number (3311158500).

Almost surely, 2^133700231007 is an apocalyptic number.

133700231007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

133700231007 is a deficient number, since it is larger than the sum of its proper divisors (104703180993).

133700231007 is a wasteful number, since it uses less digits than its factorization.

133700231007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40205 (or 40195 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

Adding to 133700231007 its reverse (700132007331), we get a palindrome (833832238338).

The spelling of 133700231007 in words is "one hundred thirty-three billion, seven hundred million, two hundred thirty-one thousand, seven".