135266895 has 16 divisors (see below), whose sum is σ = 240474720. Its totient is φ = 72142272.

The previous prime is 135266891. The next prime is 135266897. The reversal of 135266895 is 598662531.

It is not a de Polignac number, because 135266895 - 2² = 135266891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 135266895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135266891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500854 + ... + 501123.

It is an arithmetic number, because the mean of its divisors is an integer number (15029670).

Almost surely, 2^135266895 is an apocalyptic number.

135266895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135266895 is a deficient number, since it is larger than the sum of its proper divisors (105207825).

135266895 is a wasteful number, since it uses less digits than its factorization.

135266895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001991 (or 1001985 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 135266895 is about 11630.4296997145. The cubic root of 135266895 is about 513.3306237090.

It can be divided in two parts, 135266 and 895, that added together give a square (136161 = 369²).

The spelling of 135266895 in words is "one hundred thirty-five million, two hundred sixty-six thousand, eight hundred ninety-five".