13635940082 has 6 divisors (see below), whose sum is σ = 20454157839. Its totient is φ = 6817887470.

The previous prime is 13635940081. The next prime is 13635940093. The reversal of 13635940082 is 28004953631.

It can be written as a sum of positive squares in only one way, i.e., 6817970041 + 6817970041 = 82571^2 + 82571^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=82571.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13635940081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 123857 + ... + 206427.

Almost surely, 2^13635940082 is an apocalyptic number.

13635940082 is a deficient number, since it is larger than the sum of its proper divisors (6818217757).

13635940082 is an frugal number, since it uses more digits than its factorization.

13635940082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165144 (or 82573 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 13635940082 in words is "thirteen billion, six hundred thirty-five million, nine hundred forty thousand, eighty-two".