133033241 has 8 divisors (see below), whose sum is σ = 149049984. Its totient is φ = 117670320.

The previous prime is 133033217. The next prime is 133033247. The reversal of 133033241 is 142330331.

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 133033241 - 2¹⁸ = 132771097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133033247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163025 + ... + 163838.

It is an arithmetic number, because the mean of its divisors is an integer number (18631248).

Almost surely, 2^133033241 is an apocalyptic number.

133033241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133033241 is a deficient number, since it is larger than the sum of its proper divisors (16016743).

133033241 is a wasteful number, since it uses less digits than its factorization.

133033241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326911.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 133033241 is about 11534.0036847575. The cubic root of 133033241 is about 510.4893943833.

Adding to 133033241 its reverse (142330331), we get a palindrome (275363572).

The spelling of 133033241 in words is "one hundred thirty-three million, thirty-three thousand, two hundred forty-one".