133041171 has 4 divisors (see below), whose sum is σ = 177388232. Its totient is φ = 88694112.

The previous prime is 133041169. The next prime is 133041193. The reversal of 133041171 is 171140331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133041171 - 2¹ = 133041169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133041071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22173526 + ... + 22173531.

It is an arithmetic number, because the mean of its divisors is an integer number (44347058).

Almost surely, 2^133041171 is an apocalyptic number.

133041171 is a deficient number, since it is larger than the sum of its proper divisors (44347061).

133041171 is an equidigital number, since it uses as much as digits as its factorization.

133041171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44347060.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 133041171 is about 11534.3474457812. The cubic root of 133041171 is about 510.4995374634.

The spelling of 133041171 in words is "one hundred thirty-three million, forty-one thousand, one hundred seventy-one".