135105142 has 8 divisors (see below), whose sum is σ = 209646000. Its totient is φ = 65223144.

The previous prime is 135105101. The next prime is 135105149. The reversal of 135105142 is 241501531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135105149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164642 + ... + 1164757.

It is an arithmetic number, because the mean of its divisors is an integer number (26205750).

Almost surely, 2^135105142 is an apocalyptic number.

135105142 is a deficient number, since it is larger than the sum of its proper divisors (74540858).

135105142 is a wasteful number, since it uses less digits than its factorization.

135105142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329430.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 135105142 is about 11623.4737492713. The cubic root of 135105142 is about 513.1259274370.

Adding to 135105142 its reverse (241501531), we get a palindrome (376606673).

The spelling of 135105142 in words is "one hundred thirty-five million, one hundred five thousand, one hundred forty-two".