133135244 has 24 divisors (see below), whose sum is σ = 256426128. Its totient is φ = 59978240.

The previous prime is 133135229. The next prime is 133135253. The reversal of 133135244 is 442531331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8417 + ... + 18360.

It is an arithmetic number, because the mean of its divisors is an integer number (10684422).

Almost surely, 2^133135244 is an apocalyptic number.

It is an amenable number.

133135244 is a deficient number, since it is larger than the sum of its proper divisors (123290884).

133135244 is a wasteful number, since it uses less digits than its factorization.

133135244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26905 (or 26903 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 133135244 is about 11538.4246758386. The cubic root of 133135244 is about 510.6198333282.

Adding to 133135244 its reverse (442531331), we get a palindrome (575666575).

The spelling of 133135244 in words is "one hundred thirty-three million, one hundred thirty-five thousand, two hundred forty-four".