133666713 has 16 divisors (see below), whose sum is σ = 204854400. Its totient is φ = 86037840.

The previous prime is 133666703. The next prime is 133666721. The reversal of 133666713 is 317666331.

It is not a de Polignac number, because 133666713 - 2⁶ = 133666649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133666703) 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 15 ways as a sum of consecutive naturals, for example, 84573 + ... + 86138.

It is an arithmetic number, because the mean of its divisors is an integer number (12803400).

Almost surely, 2^133666713 is an apocalyptic number.

It is an amenable number.

133666713 is a deficient number, since it is larger than the sum of its proper divisors (71187687).

133666713 is a wasteful number, since it uses less digits than its factorization.

133666713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170749 (or 170743 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 133666713 is about 11561.4321344719. The cubic root of 133666713 is about 511.2983871882.

The spelling of 133666713 in words is "one hundred thirty-three million, six hundred sixty-six thousand, seven hundred thirteen".