133688927171 has 8 divisors (see below), whose sum is σ = 135428446560. Its totient is φ = 131958735552.

The previous prime is 133688927167. The next prime is 133688927201. The reversal of 133688927171 is 171729886331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133688927171 - 2² = 133688927167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133688927161) 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 7 ways as a sum of consecutive naturals, for example, 2303090 + ... + 2360423.

It is an arithmetic number, because the mean of its divisors is an integer number (16928555820).

Almost surely, 2^133688927171 is an apocalyptic number.

133688927171 is a deficient number, since it is larger than the sum of its proper divisors (1739519389).

133688927171 is a wasteful number, since it uses less digits than its factorization.

133688927171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663885.

The product of its digits is 3048192, while the sum is 56.

The spelling of 133688927171 in words is "one hundred thirty-three billion, six hundred eighty-eight million, nine hundred twenty-seven thousand, one hundred seventy-one".