135233142 has 32 divisors (see below), whose sum is σ = 297990144. Its totient is φ = 40572000.

The previous prime is 135233141. The next prime is 135233159. The reversal of 135233142 is 241332531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135233141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3478 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (9312192).

Almost surely, 2^135233142 is an apocalyptic number.

135233142 is an abundant number, since it is smaller than the sum of its proper divisors (162757002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135233142 is a wasteful number, since it uses less digits than its factorization.

135233142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20404.

The product of its digits is 2160, while the sum is 24.

The square root of 135233142 is about 11628.9785449970. The cubic root of 135233142 is about 513.2879232146.

Adding to 135233142 its reverse (241332531), we get a palindrome (376565673).

The spelling of 135233142 in words is "one hundred thirty-five million, two hundred thirty-three thousand, one hundred forty-two".