133234241 has 4 divisors (see below), whose sum is σ = 152267712. Its totient is φ = 114200772.

The previous prime is 133234223. The next prime is 133234247. The reversal of 133234241 is 142432331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142432331 = 967 ⋅147293.

It is not a de Polignac number, because 133234241 - 2⁶ = 133234177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133234247) 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, 9516725 + ... + 9516738.

It is an arithmetic number, because the mean of its divisors is an integer number (38066928).

Almost surely, 2^133234241 is an apocalyptic number.

It is an amenable number.

133234241 is a deficient number, since it is larger than the sum of its proper divisors (19033471).

133234241 is an equidigital number, since it uses as much as digits as its factorization.

133234241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19033470.

The product of its digits is 1728, while the sum is 23.

The square root of 133234241 is about 11542.7137623697. The cubic root of 133234241 is about 510.7463645807.

Adding to 133234241 its reverse (142432331), we get a palindrome (275666572).

The spelling of 133234241 in words is "one hundred thirty-three million, two hundred thirty-four thousand, two hundred forty-one".