135710238 has 16 divisors (see below), whose sum is σ = 275870736. Its totient is φ = 44495040.

The previous prime is 135710203. The next prime is 135710251. The reversal of 135710238 is 832017531.

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, 185031 + ... + 185762.

It is an arithmetic number, because the mean of its divisors is an integer number (17241921).

Almost surely, 2^135710238 is an apocalyptic number.

135710238 is an abundant number, since it is smaller than the sum of its proper divisors (140160498).

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

135710238 is a wasteful number, since it uses less digits than its factorization.

135710238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370859.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 135710238 is about 11649.4737220185. The cubic root of 135710238 is about 513.8908330995.

Adding to 135710238 its reverse (832017531), we get a palindrome (967727769).

The spelling of 135710238 in words is "one hundred thirty-five million, seven hundred ten thousand, two hundred thirty-eight".