135296865 has 64 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 63460800.

The previous prime is 135296857. The next prime is 135296869. The reversal of 135296865 is 568692531.

135296865 is a `hidden beast` number, since 1 + 3 + 529 + 68 + 65 = 666.

It is not a de Polignac number, because 135296865 - 2³ = 135296857 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 135296865.

It is not an unprimeable number, because it can be changed into a prime (135296869) 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 63 ways as a sum of consecutive naturals, for example, 44566 + ... + 47504.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2^135296865 is an apocalyptic number.

135296865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135296865 is an abundant number, since it is smaller than the sum of its proper divisors (135653535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135296865 is a wasteful number, since it uses less digits than its factorization.

135296865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995 (or 2989 counting only the distinct ones).

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

The square root of 135296865 is about 11631.7180588252. The cubic root of 135296865 is about 513.3685324245.

It can be divided in two parts, 135296 and 865, that added together give a square (136161 = 369²).

The spelling of 135296865 in words is "one hundred thirty-five million, two hundred ninety-six thousand, eight hundred sixty-five".