135316042 has 4 divisors (see below), whose sum is σ = 202974066. Its totient is φ = 67658020.

The previous prime is 135316037. The next prime is 135316079. The reversal of 135316042 is 240613531.

135316042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 69072721 + 66243321 = 8311^2 + 8139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135315998 and 135316016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33829009 + ... + 33829012.

Almost surely, 2^135316042 is an apocalyptic number.

135316042 is a deficient number, since it is larger than the sum of its proper divisors (67658024).

135316042 is an equidigital number, since it uses as much as digits as its factorization.

135316042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67658023.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 135316042 is about 11632.5423704365. The cubic root of 135316042 is about 513.3927862589.

Adding to 135316042 its reverse (240613531), we get a palindrome (375929573).

The spelling of 135316042 in words is "one hundred thirty-five million, three hundred sixteen thousand, forty-two".