136404575520 has 192 divisors, whose sum is σ = 460063618560. Its totient is φ = 33850032128.

The previous prime is 136404575509. The next prime is 136404575557. The reversal of 136404575520 is 25575404631.

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, 632329 + ... + 820151.

It is an arithmetic number, because the mean of its divisors is an integer number (2396164680).

Almost surely, 2^136404575520 is an apocalyptic number.

136404575520 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 136404575520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230031809280).

136404575520 is an abundant number, since it is smaller than the sum of its proper divisors (323659043040).

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

136404575520 is a wasteful number, since it uses less digits than its factorization.

136404575520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187947 (or 187939 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 136404575520 in words is "one hundred thirty-six billion, four hundred four million, five hundred seventy-five thousand, five hundred twenty".