135142124 has 48 divisors (see below), whose sum is σ = 260531040. Its totient is φ = 60963840.

The previous prime is 135142121. The next prime is 135142151. The reversal of 135142124 is 421241531.

135142124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 135142124.

It is not an unprimeable number, because it can be changed into a prime (135142121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640379 + ... + 640589.

It is an arithmetic number, because the mean of its divisors is an integer number (5427730).

Almost surely, 2^135142124 is an apocalyptic number.

It is an amenable number.

135142124 is a deficient number, since it is larger than the sum of its proper divisors (125388916).

135142124 is a wasteful number, since it uses less digits than its factorization.

135142124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 135142124 is about 11625.0644729395. The cubic root of 135142124 is about 513.1727420673.

Adding to 135142124 its reverse (421241531), we get a palindrome (556383655).

The spelling of 135142124 in words is "one hundred thirty-five million, one hundred forty-two thousand, one hundred twenty-four".