133441242 has 16 divisors (see below), whose sum is σ = 291144672. Its totient is φ = 40436720.

The previous prime is 133441229. The next prime is 133441247. The reversal of 133441242 is 242144331.

It is not an unprimeable number, because it can be changed into a prime (133441247) 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, 1010853 + ... + 1010984.

It is an arithmetic number, because the mean of its divisors is an integer number (18196542).

Almost surely, 2^133441242 is an apocalyptic number.

133441242 is an abundant number, since it is smaller than the sum of its proper divisors (157703430).

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

133441242 is a wasteful number, since it uses less digits than its factorization.

133441242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021853.

The product of its digits is 2304, while the sum is 24.

The square root of 133441242 is about 11551.6770211082. The cubic root of 133441242 is about 511.0107368146.

Adding to 133441242 its reverse (242144331), we get a palindrome (375585573).

The spelling of 133441242 in words is "one hundred thirty-three million, four hundred forty-one thousand, two hundred forty-two".