133568517313 has 16 divisors (see below), whose sum is σ = 166538226816. Its totient is φ = 104072336640.

The previous prime is 133568517311. The next prime is 133568517317. The reversal of 133568517313 is 313715865331.

It is a cyclic number.

It is not a de Polignac number, because 133568517313 - 2¹ = 133568517311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133568517311) 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, 1289395 + ... + 1389127.

It is an arithmetic number, because the mean of its divisors is an integer number (10408639176).

Almost surely, 2^133568517313 is an apocalyptic number.

It is an amenable number.

133568517313 is a deficient number, since it is larger than the sum of its proper divisors (32969709503).

133568517313 is a wasteful number, since it uses less digits than its factorization.

133568517313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117144.

The product of its digits is 680400, while the sum is 46.

The spelling of 133568517313 in words is "one hundred thirty-three billion, five hundred sixty-eight million, five hundred seventeen thousand, three hundred thirteen".