135142015 has 16 divisors (see below), whose sum is σ = 166145760. Its totient is φ = 105494400.

The previous prime is 135141983. The next prime is 135142057. The reversal of 135142015 is 510241531.

It is a happy number.

135142015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135142015 - 2⁵ = 135141983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34665 + ... + 38365.

It is an arithmetic number, because the mean of its divisors is an integer number (10384110).

Almost surely, 2^135142015 is an apocalyptic number.

135142015 is a deficient number, since it is larger than the sum of its proper divisors (31003745).

135142015 is a wasteful number, since it uses less digits than its factorization.

135142015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882.

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

The square root of 135142015 is about 11625.0597847925. The cubic root of 135142015 is about 513.1726040994.

Adding to 135142015 its reverse (510241531), we get a palindrome (645383546).

The spelling of 135142015 in words is "one hundred thirty-five million, one hundred forty-two thousand, fifteen".