133532271 has 6 divisors (see below), whose sum is σ = 192879960. Its totient is φ = 89021508.

The previous prime is 133532249. The next prime is 133532291. The reversal of 133532271 is 172235331.

133532271 is a `hidden beast` number, since 1 + 335 + 322 + 7 + 1 = 666.

It is not a de Polignac number, because 133532271 - 2⁵ = 133532239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133532291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7418451 + ... + 7418468.

It is an arithmetic number, because the mean of its divisors is an integer number (32146660).

Almost surely, 2^133532271 is an apocalyptic number.

133532271 is a deficient number, since it is larger than the sum of its proper divisors (59347689).

133532271 is a wasteful number, since it uses less digits than its factorization.

133532271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836925 (or 14836922 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 133532271 is about 11555.6164266559. The cubic root of 133532271 is about 511.1269083527.

The spelling of 133532271 in words is "one hundred thirty-three million, five hundred thirty-two thousand, two hundred seventy-one".