142135142 has 16 divisors (see below), whose sum is σ = 215008560. Its totient is φ = 70468608.

The previous prime is 142135127. The next prime is 142135163. The reversal of 142135142 is 241531241.

142135142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152534 + ... + 153462.

It is an arithmetic number, because the mean of its divisors is an integer number (13438035).

Almost surely, 2^142135142 is an apocalyptic number.

142135142 is a deficient number, since it is larger than the sum of its proper divisors (72873418).

142135142 is a wasteful number, since it uses less digits than its factorization.

142135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its digits is 960, while the sum is 23.

The square root of 142135142 is about 11922.0443716671. The cubic root of 142135142 is about 521.8757967980.

Adding to 142135142 its reverse (241531241), we get a palindrome (383666383).

It can be divided in two parts, 1421 and 35142, that added together give a palindrome (36563).

The spelling of 142135142 in words is "one hundred forty-two million, one hundred thirty-five thousand, one hundred forty-two".