135005266 has 24 divisors (see below), whose sum is σ = 230278860. Its totient is φ = 59246880.

The previous prime is 135005263. The next prime is 135005287. The reversal of 135005266 is 662500531.

It can be written as a sum of positive squares in 2 ways, for example, as 129618225 + 5387041 = 11385^2 + 2321^2 .

It is not an unprimeable number, because it can be changed into a prime (135005263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2601 + ... + 16636.

Almost surely, 2^135005266 is an apocalyptic number.

135005266 is a deficient number, since it is larger than the sum of its proper divisors (95273594).

135005266 is a wasteful number, since it uses less digits than its factorization.

135005266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19290 (or 19279 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 135005266 is about 11619.1766489713. The cubic root of 135005266 is about 512.9994540891. Note that the first 3 decimals are identical.

Adding to 135005266 its reverse (662500531), we get a palindrome (797505797).

The spelling of 135005266 in words is "one hundred thirty-five million, five thousand, two hundred sixty-six".