3636351136 has 96 divisors (see below), whose sum is σ = 8308827072. Its totient is φ = 1548226560.

The previous prime is 3636351113. The next prime is 3636351137. The reversal of 3636351136 is 6311536363.

It is a junction number, because it is equal to n+sod(n) for n = 3636351095 and 3636351104.

It is not an unprimeable number, because it can be changed into a prime (3636351137) 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, 1357030 + ... + 1359706.

It is an arithmetic number, because the mean of its divisors is an integer number (86550282).

Almost surely, 2^3636351136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636351136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4154413536).

3636351136 is an abundant number, since it is smaller than the sum of its proper divisors (4672475936).

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

3636351136 is a wasteful number, since it uses less digits than its factorization.

3636351136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942 (or 2934 counting only the distinct ones).

The product of its digits is 87480, while the sum is 37.

The square root of 3636351136 is about 60302.1652679238. The cubic root of 3636351136 is about 1537.7601575851.

Adding to 3636351136 its reverse (6311536363), we get a palindrome (9947887499).

The spelling of 3636351136 in words is "three billion, six hundred thirty-six million, three hundred fifty-one thousand, one hundred thirty-six".