36865136 has 80 divisors (see below), whose sum is σ = 92994048. Its totient is φ = 13728000.

The previous prime is 36865121. The next prime is 36865139. The reversal of 36865136 is 63156863.

It is a self number, because there is not a number n which added to its sum of digits gives 36865136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36865139) 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, 27686 + ... + 28986.

Almost surely, 2^36865136 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 36865136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46497024).

36865136 is an abundant number, since it is smaller than the sum of its proper divisors (56128912).

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

36865136 is a wasteful number, since it uses less digits than its factorization.

36865136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1344 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 36865136 is about 6071.6666575167. Note that the first 4 decimals coincide. The cubic root of 36865136 is about 332.8168303095.

The spelling of 36865136 in words is "thirty-six million, eight hundred sixty-five thousand, one hundred thirty-six".