133342442 has 8 divisors (see below), whose sum is σ = 200080800. Its totient is φ = 66648844.

The previous prime is 133342427. The next prime is 133342453. The reversal of 133342442 is 244243331.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342 + ... + 16497.

It is an arithmetic number, because the mean of its divisors is an integer number (25010100).

Almost surely, 2^133342442 is an apocalyptic number.

133342442 is a deficient number, since it is larger than the sum of its proper divisors (66738358).

133342442 is a wasteful number, since it uses less digits than its factorization.

133342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380.

The product of its digits is 6912, while the sum is 26.

The square root of 133342442 is about 11547.3997938930. The cubic root of 133342442 is about 510.8845880928.

Adding to 133342442 its reverse (244243331), we get a palindrome (377585773).

The spelling of 133342442 in words is "one hundred thirty-three million, three hundred forty-two thousand, four hundred forty-two".