135343238 has 12 divisors (see below), whose sum is σ = 206926188. Its totient is φ = 66392040.

The previous prime is 135343237. The next prime is 135343267. The reversal of 135343238 is 832343531.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135343237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6428 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (17243849).

Almost surely, 2^135343238 is an apocalyptic number.

135343238 is a deficient number, since it is larger than the sum of its proper divisors (71582950).

135343238 is an equidigital number, since it uses as much as digits as its factorization.

135343238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24199 (or 24146 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 135343238 is about 11633.7112737080. The cubic root of 135343238 is about 513.4271780790.

Adding to 135343238 its reverse (832343531), we get a palindrome (967686769).

The spelling of 135343238 in words is "one hundred thirty-five million, three hundred forty-three thousand, two hundred thirty-eight".