133144042 has 8 divisors (see below), whose sum is σ = 199785600. Its totient is φ = 66548844.

The previous prime is 133144031. The next prime is 133144049. The reversal of 133144042 is 240441331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (133144049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3192 + ... + 16627.

It is an arithmetic number, because the mean of its divisors is an integer number (24973200).

Almost surely, 2^133144042 is an apocalyptic number.

133144042 is a deficient number, since it is larger than the sum of its proper divisors (66641558).

133144042 is a wasteful number, since it uses less digits than its factorization.

133144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23180.

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

The square root of 133144042 is about 11538.8059174249. The cubic root of 133144042 is about 510.6310808742.

Adding to 133144042 its reverse (240441331), we get a palindrome (373585373).

The spelling of 133144042 in words is "one hundred thirty-three million, one hundred forty-four thousand, forty-two".