135435242 has 4 divisors (see below), whose sum is σ = 203152866. Its totient is φ = 67717620.

The previous prime is 135435239. The next prime is 135435301. The reversal of 135435242 is 242534531.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 135233641 + 201601 = 11629^2 + 449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33858809 + ... + 33858812.

Almost surely, 2^135435242 is an apocalyptic number.

135435242 is a deficient number, since it is larger than the sum of its proper divisors (67717624).

135435242 is an equidigital number, since it uses as much as digits as its factorization.

135435242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67717623.

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

The square root of 135435242 is about 11637.6648001221. The cubic root of 135435242 is about 513.5434913753.

Adding to 135435242 its reverse (242534531), we get a palindrome (377969773).

The spelling of 135435242 in words is "one hundred thirty-five million, four hundred thirty-five thousand, two hundred forty-two".