136550705520 has 160 divisors (see below), whose sum is σ = 432925148160. Its totient is φ = 35588367360.

The previous prime is 136550705519. The next prime is 136550705549. The reversal of 136550705520 is 25507055631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8327730 + ... + 8344110.

It is an arithmetic number, because the mean of its divisors is an integer number (2705782176).

Almost surely, 2^136550705520 is an apocalyptic number.

136550705520 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 136550705520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216462574080).

136550705520 is an abundant number, since it is smaller than the sum of its proper divisors (296374442640).

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

136550705520 is a wasteful number, since it uses less digits than its factorization.

136550705520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17183 (or 17177 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 39.

The spelling of 136550705520 in words is "one hundred thirty-six billion, five hundred fifty million, seven hundred five thousand, five hundred twenty".