135569536 has 16 divisors (see below), whose sum is σ = 270080190. Its totient is φ = 67784704.

The previous prime is 135569501. The next prime is 135569537. The reversal of 135569536 is 635965531.

135569536 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131790400 + 3779136 = 11480^2 + 1944^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 135569492 and 135569501.

It is not an unprimeable number, because it can be changed into a prime (135569537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529441 + ... + 529696.

Almost surely, 2^135569536 is an apocalyptic number.

135569536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135569536 is a deficient number, since it is larger than the sum of its proper divisors (134510654).

135569536 is an equidigital number, since it uses as much as digits as its factorization.

135569536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059151 (or 1059139 counting only the distinct ones).

The product of its digits is 364500, while the sum is 43.

The square root of 135569536 is about 11643.4331706761. The cubic root of 135569536 is about 513.7131740129.

The spelling of 135569536 in words is "one hundred thirty-five million, five hundred sixty-nine thousand, five hundred thirty-six".