133237271 has 2 divisors, whose sum is σ = 133237272. Its totient is φ = 133237270.

The previous prime is 133237231. The next prime is 133237369. The reversal of 133237271 is 172732331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133237271 - 2¹⁸ = 132975127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133237231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66618635 + 66618636.

It is an arithmetic number, because the mean of its divisors is an integer number (66618636).

Almost surely, 2^133237271 is an apocalyptic number.

133237271 is a deficient number, since it is larger than the sum of its proper divisors (1).

133237271 is an equidigital number, since it uses as much as digits as its factorization.

133237271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 29.

The square root of 133237271 is about 11542.8450132539. The cubic root of 133237271 is about 510.7502363325.

The spelling of 133237271 in words is "one hundred thirty-three million, two hundred thirty-seven thousand, two hundred seventy-one".