135282127 has 4 divisors (see below), whose sum is σ = 136621656. Its totient is φ = 133942600.

The previous prime is 135282061. The next prime is 135282137. The reversal of 135282127 is 721282531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721282531 = 8009 ⋅90059.

It is a cyclic number.

It is not a de Polignac number, because 135282127 - 2¹⁹ = 134757839 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135282137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669613 + ... + 669814.

It is an arithmetic number, because the mean of its divisors is an integer number (34155414).

Almost surely, 2^135282127 is an apocalyptic number.

135282127 is a deficient number, since it is larger than the sum of its proper divisors (1339529).

135282127 is a wasteful number, since it uses less digits than its factorization.

135282127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339528.

The product of its digits is 6720, while the sum is 31.

The square root of 135282127 is about 11631.0845152118. The cubic root of 135282127 is about 513.3498911940.

The spelling of 135282127 in words is "one hundred thirty-five million, two hundred eighty-two thousand, one hundred twenty-seven".