13067321136 has 80 divisors (see below), whose sum is σ = 35554867200. Its totient is φ = 4124093184.

The previous prime is 13067321101. The next prime is 13067321153. The reversal of 13067321136 is 63112376031.

It is a junction number, because it is equal to n+sod(n) for n = 13067321097 and 13067321106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146545 + ... + 2152623.

It is an arithmetic number, because the mean of its divisors is an integer number (444435840).

Almost surely, 2^13067321136 is an apocalyptic number.

13067321136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13067321136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17777433600).

13067321136 is an abundant number, since it is smaller than the sum of its proper divisors (22487546064).

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

13067321136 is a wasteful number, since it uses less digits than its factorization.

13067321136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466 (or 8460 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

Adding to 13067321136 its reverse (63112376031), we get a palindrome (76179697167).

The spelling of 13067321136 in words is "thirteen billion, sixty-seven million, three hundred twenty-one thousand, one hundred thirty-six".