135266887 has 12 divisors (see below), whose sum is σ = 161608720. Its totient is φ = 110899008.

The previous prime is 135266869. The next prime is 135266891. The reversal of 135266887 is 788662531.

It is not a de Polignac number, because 135266887 - 2¹⁵ = 135234119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135266837) 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, 14562 + ... + 21967.

Almost surely, 2^135266887 is an apocalyptic number.

135266887 is a deficient number, since it is larger than the sum of its proper divisors (26341833).

135266887 is an equidigital number, since it uses as much as digits as its factorization.

135266887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36582 (or 36559 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 135266887 is about 11630.4293557891. The cubic root of 135266887 is about 513.3306135892.

The spelling of 135266887 in words is "one hundred thirty-five million, two hundred sixty-six thousand, eight hundred eighty-seven".