133700367805 has 16 divisors (see below), whose sum is σ = 161092067760. Its totient is φ = 106526697472.

The previous prime is 133700367781. The next prime is 133700367809. The reversal of 133700367805 is 508763007331.

It can be written as a sum of positive squares in 8 ways, for example, as 21044144356 + 112656223449 = 145066^2 + 335643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133700367805 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133700367809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265997 + ... + 1367533.

It is an arithmetic number, because the mean of its divisors is an integer number (10068254235).

Almost surely, 2^133700367805 is an apocalyptic number.

It is an amenable number.

133700367805 is a deficient number, since it is larger than the sum of its proper divisors (27391699955).

133700367805 is a wasteful number, since it uses less digits than its factorization.

133700367805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102608.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 133700367805 in words is "one hundred thirty-three billion, seven hundred million, three hundred sixty-seven thousand, eight hundred five".