135142303142 has 16 divisors (see below), whose sum is σ = 252733658112. Its totient is φ = 52652845320.

The previous prime is 135142303133. The next prime is 135142303147. The reversal of 135142303142 is 241303241531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135142303147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438773558 + ... + 438773865.

It is an arithmetic number, because the mean of its divisors is an integer number (15795853632).

Almost surely, 2^135142303142 is an apocalyptic number.

135142303142 is a deficient number, since it is larger than the sum of its proper divisors (117591354970).

135142303142 is a wasteful number, since it uses less digits than its factorization.

135142303142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877547443.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 135142303142 its reverse (241303241531), we get a palindrome (376445544673).

The spelling of 135142303142 in words is "one hundred thirty-five billion, one hundred forty-two million, three hundred three thousand, one hundred forty-two".