135565305 has 8 divisors (see below), whose sum is σ = 216904512. Its totient is φ = 72301488.

The previous prime is 135565279. The next prime is 135565319. The reversal of 135565305 is 503565531.

135565305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135565305 - 2⁵ = 135565273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4518829 + ... + 4518858.

It is an arithmetic number, because the mean of its divisors is an integer number (27113064).

Almost surely, 2^135565305 is an apocalyptic number.

135565305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135565305 is a deficient number, since it is larger than the sum of its proper divisors (81339207).

135565305 is an equidigital number, since it uses as much as digits as its factorization.

135565305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037695.

The product of its (nonzero) digits is 33750, while the sum is 33.

The square root of 135565305 is about 11643.2514788610. The cubic root of 135565305 is about 513.7078297861.

The spelling of 135565305 in words is "one hundred thirty-five million, five hundred sixty-five thousand, three hundred five".