135424235 has 4 divisors (see below), whose sum is σ = 162509088. Its totient is φ = 108339384.

The previous prime is 135424187. The next prime is 135424241. The reversal of 135424235 is 532424531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135424235 - 2¹² = 135420139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135424198 and 135424207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13542419 + ... + 13542428.

It is an arithmetic number, because the mean of its divisors is an integer number (40627272).

Almost surely, 2^135424235 is an apocalyptic number.

135424235 is a deficient number, since it is larger than the sum of its proper divisors (27084853).

135424235 is an equidigital number, since it uses as much as digits as its factorization.

135424235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27084852.

The product of its digits is 14400, while the sum is 29.

The square root of 135424235 is about 11637.1918863616. The cubic root of 135424235 is about 513.5295788804.

Adding to 135424235 its reverse (532424531), we get a palindrome (667848766).

The spelling of 135424235 in words is "one hundred thirty-five million, four hundred twenty-four thousand, two hundred thirty-five".