13558474137136 has 80 divisors (see below), whose sum is σ = 27402766610688. Its totient is φ = 6491433369600.

The previous prime is 13558474137119. The next prime is 13558474137149. The reversal of 13558474137136 is 63173147485531.

It is a happy number.

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, 227106906 + ... + 227166598.

Almost surely, 2^{13558474137136} is an apocalyptic number.

13558474137136 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 13558474137136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13701383305344).

13558474137136 is an abundant number, since it is smaller than the sum of its proper divisors (13844292473552).

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

13558474137136 is a wasteful number, since it uses less digits than its factorization.

13558474137136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64550 (or 64544 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 58.

The spelling of 13558474137136 in words is "thirteen trillion, five hundred fifty-eight billion, four hundred seventy-four million, one hundred thirty-seven thousand, one hundred thirty-six".