142135235 has 16 divisors (see below), whose sum is σ = 192486240. Its totient is φ = 99805440.

The previous prime is 142135229. The next prime is 142135247. The reversal of 142135235 is 532531241.

It is a happy number.

It is not a de Polignac number, because 142135235 - 2¹⁰ = 142134211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42962 + ... + 46151.

It is an arithmetic number, because the mean of its divisors is an integer number (12030390).

Almost surely, 2^142135235 is an apocalyptic number.

142135235 is a deficient number, since it is larger than the sum of its proper divisors (50351005).

142135235 is a wasteful number, since it uses less digits than its factorization.

142135235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89158.

The product of its digits is 3600, while the sum is 26.

The square root of 142135235 is about 11922.0482720043. The cubic root of 142135235 is about 521.8759106203.

Adding to 142135235 its reverse (532531241), we get a palindrome (674666476).

The spelling of 142135235 in words is "one hundred forty-two million, one hundred thirty-five thousand, two hundred thirty-five".