133404241 has 8 divisors (see below), whose sum is σ = 134344224. Its totient is φ = 132468000.

The previous prime is 133404221. The next prime is 133404247. The reversal of 133404241 is 142404331.

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 133404241 - 2⁷ = 133404113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133404247) 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, 114126 + ... + 115288.

It is an arithmetic number, because the mean of its divisors is an integer number (16793028).

Almost surely, 2^133404241 is an apocalyptic number.

It is an amenable number.

133404241 is a deficient number, since it is larger than the sum of its proper divisors (939983).

133404241 is a wasteful number, since it uses less digits than its factorization.

133404241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 133404241 is about 11550.0753677195. The cubic root of 133404241 is about 510.9635009029.

Adding to 133404241 its reverse (142404331), we get a palindrome (275808572).

The spelling of 133404241 in words is "one hundred thirty-three million, four hundred four thousand, two hundred forty-one".