135274285 has 16 divisors (see below), whose sum is σ = 165902256. Its totient is φ = 105850368.

The previous prime is 135274277. The next prime is 135274289. The reversal of 135274285 is 582472531.

It can be written as a sum of positive squares in 8 ways, for example, as 203401 + 135070884 = 451^2 + 11622^2 .

It is a cyclic number.

It is not a de Polignac number, because 135274285 - 2³ = 135274277 is a prime.

It is a super-2 number, since 2×135274285² = 36598264364522450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135274289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120547 + ... + 121663.

It is an arithmetic number, because the mean of its divisors is an integer number (10368891).

Almost surely, 2^135274285 is an apocalyptic number.

It is an amenable number.

135274285 is a deficient number, since it is larger than the sum of its proper divisors (30627971).

135274285 is a wasteful number, since it uses less digits than its factorization.

135274285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its digits is 67200, while the sum is 37.

The square root of 135274285 is about 11630.7473964488. The cubic root of 135274285 is about 513.3399717569.

The spelling of 135274285 in words is "one hundred thirty-five million, two hundred seventy-four thousand, two hundred eighty-five".