133427271 has 8 divisors (see below), whose sum is σ = 188367984. Its totient is φ = 83719040.

The previous prime is 133427267. The next prime is 133427279. The reversal of 133427271 is 172724331.

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 133427271 - 2² = 133427267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133427279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308060 + ... + 1308161.

It is an arithmetic number, because the mean of its divisors is an integer number (23545998).

Almost surely, 2^133427271 is an apocalyptic number.

133427271 is a deficient number, since it is larger than the sum of its proper divisors (54940713).

133427271 is a wasteful number, since it uses less digits than its factorization.

133427271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616241.

The product of its digits is 7056, while the sum is 30.

The square root of 133427271 is about 11551.0722878874. The cubic root of 133427271 is about 510.9929022979.

The spelling of 133427271 in words is "one hundred thirty-three million, four hundred twenty-seven thousand, two hundred seventy-one".