142133122 has 8 divisors (see below), whose sum is σ = 213408000. Its totient is φ = 70997124.

The previous prime is 142133081. The next prime is 142133137. The reversal of 142133122 is 221331241.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142133122.

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, 32122 + ... + 36277.

It is an arithmetic number, because the mean of its divisors is an integer number (26676000).

Almost surely, 2^142133122 is an apocalyptic number.

142133122 is a deficient number, since it is larger than the sum of its proper divisors (71274878).

142133122 is a wasteful number, since it uses less digits than its factorization.

142133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69440.

The product of its digits is 288, while the sum is 19.

The square root of 142133122 is about 11921.9596543521. The cubic root of 142133122 is about 521.8733245168.

Adding to 142133122 its reverse (221331241), we get a palindrome (363464363).

It can be divided in two parts, 1421 and 33122, that added together give a palindrome (34543).

The spelling of 142133122 in words is "one hundred forty-two million, one hundred thirty-three thousand, one hundred twenty-two".