133411242 has 16 divisors (see below), whose sum is σ = 267678720. Its totient is φ = 44327712.

The previous prime is 133411237. The next prime is 133411273. The reversal of 133411242 is 242114331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33642 + ... + 37397.

It is an arithmetic number, because the mean of its divisors is an integer number (16729920).

Almost surely, 2^133411242 is an apocalyptic number.

133411242 is an abundant number, since it is smaller than the sum of its proper divisors (134267478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133411242 is a wasteful number, since it uses less digits than its factorization.

133411242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71357.

The product of its digits is 576, while the sum is 21.

The square root of 133411242 is about 11550.3784353587. The cubic root of 133411242 is about 510.9724391317.

Adding to 133411242 its reverse (242114331), we get a palindrome (375525573).

The spelling of 133411242 in words is "one hundred thirty-three million, four hundred eleven thousand, two hundred forty-two".