135500008560 has 320 divisors, whose sum is σ = 505378510848. Its totient is φ = 29361733632.

The previous prime is 135500008549. The next prime is 135500008561. The reversal of 135500008560 is 65800005531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135500008561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4350804 + ... + 4381836.

Almost surely, 2^135500008560 is an apocalyptic number.

135500008560 is a gapful number since it is divisible by the number (10) 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 135500008560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252689255424).

135500008560 is an abundant number, since it is smaller than the sum of its proper divisors (369878502288).

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

135500008560 is a wasteful number, since it uses less digits than its factorization.

135500008560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31192 (or 31186 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 135500008560 in words is "one hundred thirty-five billion, five hundred million, eight thousand, five hundred sixty".