238305135 has 16 divisors (see below), whose sum is σ = 384665184. Its totient is φ = 125970432.

The previous prime is 238305127. The next prime is 238305241. The reversal of 238305135 is 531503832.

It is not a de Polignac number, because 238305135 - 2³ = 238305127 is a prime.

It is a congruent number.

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, 68602 + ... + 71991.

It is an arithmetic number, because the mean of its divisors is an integer number (24041574).

Almost surely, 2^238305135 is an apocalyptic number.

238305135 is a deficient number, since it is larger than the sum of its proper divisors (146360049).

238305135 is a wasteful number, since it uses less digits than its factorization.

238305135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140714.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 238305135 is about 15437.1349349547. The cubic root of 238305135 is about 619.9801719292.

Adding to 238305135 its reverse (531503832), we get a palindrome (769808967).

The spelling of 238305135 in words is "two hundred thirty-eight million, three hundred five thousand, one hundred thirty-five".