13606434036 has 144 divisors (see below), whose sum is σ = 37799274240. Its totient is φ = 4125925440.

The previous prime is 13606434031. The next prime is 13606434053. The reversal of 13606434036 is 63043460631.

13606434036 is a `hidden beast` number, since 1 + 3 + 6 + 0 + 643 + 4 + 0 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13606434031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5614321 + ... + 5616743.

It is an arithmetic number, because the mean of its divisors is an integer number (262494960).

Almost surely, 2^13606434036 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 13606434036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18899637120).

13606434036 is an abundant number, since it is smaller than the sum of its proper divisors (24192840204).

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

13606434036 is a wasteful number, since it uses less digits than its factorization.

13606434036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2512 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

Adding to 13606434036 its reverse (63043460631), we get a palindrome (76649894667).

The spelling of 13606434036 in words is "thirteen billion, six hundred six million, four hundred thirty-four thousand, thirty-six".