133340241 has 8 divisors (see below), whose sum is σ = 182123424. Its totient is φ = 86725280.

The previous prime is 133340227. The next prime is 133340279. The reversal of 133340241 is 142043331.

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 133340241 - 2¹³ = 133332049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133340281) 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, 541911 + ... + 542156.

It is an arithmetic number, because the mean of its divisors is an integer number (22765428).

Almost surely, 2^133340241 is an apocalyptic number.

It is an amenable number.

133340241 is a deficient number, since it is larger than the sum of its proper divisors (48783183).

133340241 is a wasteful number, since it uses less digits than its factorization.

133340241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084111.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133340241 is about 11547.3044906593. The cubic root of 133340241 is about 510.8817771269.

Adding to 133340241 its reverse (142043331), we get a palindrome (275383572).

The spelling of 133340241 in words is "one hundred thirty-three million, three hundred forty thousand, two hundred forty-one".