3648135636 has 36 divisors (see below), whose sum is σ = 9223748352. Its totient is φ = 1215771984.

The previous prime is 3648135619. The next prime is 3648135671. The reversal of 3648135636 is 6365318463.

3648135636 is a `hidden beast` number, since 3 + 6 + 4 + 8 + 1 + 3 + 5 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 3648135591 and 3648135600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210061 + ... + 226763.

It is an arithmetic number, because the mean of its divisors is an integer number (256215232).

Almost surely, 2^3648135636 is an apocalyptic number.

3648135636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3648135636 is an abundant number, since it is smaller than the sum of its proper divisors (5575612716).

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

3648135636 is a wasteful number, since it uses less digits than its factorization.

3648135636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22780 (or 22775 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 3648135636 is about 60399.7983109215. The cubic root of 3648135636 is about 1539.4195310498.

The spelling of 3648135636 in words is "three billion, six hundred forty-eight million, one hundred thirty-five thousand, six hundred thirty-six".