135059865 has 16 divisors (see below), whose sum is σ = 216278016. Its totient is φ = 71971200.

The previous prime is 135059857. The next prime is 135059867. The reversal of 135059865 is 568950531.

It is not a de Polignac number, because 135059865 - 2³ = 135059857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135059867) 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, 19005 + ... + 25125.

It is an arithmetic number, because the mean of its divisors is an integer number (13517376).

Almost surely, 2^135059865 is an apocalyptic number.

135059865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135059865 is a deficient number, since it is larger than the sum of its proper divisors (81218151).

135059865 is a wasteful number, since it uses less digits than its factorization.

135059865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600.

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 135059865 is about 11621.5259325099. The cubic root of 135059865 is about 513.0686007306.

The spelling of 135059865 in words is "one hundred thirty-five million, fifty-nine thousand, eight hundred sixty-five".