133423042 has 8 divisors (see below), whose sum is σ = 201574800. Its totient is φ = 66231444.

The previous prime is 133423027. The next prime is 133423051. The reversal of 133423042 is 240324331.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 239692 + ... + 240247.

It is an arithmetic number, because the mean of its divisors is an integer number (25196850).

Almost surely, 2^133423042 is an apocalyptic number.

133423042 is a deficient number, since it is larger than the sum of its proper divisors (68151758).

133423042 is a wasteful number, since it uses less digits than its factorization.

133423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480080.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 133423042 is about 11550.8892298385. The cubic root of 133423042 is about 510.9875035719.

Adding to 133423042 its reverse (240324331), we get a palindrome (373747373).

It can be divided in two parts, 13342 and 3042, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 133423042 in words is "one hundred thirty-three million, four hundred twenty-three thousand, forty-two".