136818004128 has 96 divisors (see below), whose sum is σ = 394071785856. Its totient is φ = 41303528448.

The previous prime is 136818004117. The next prime is 136818004133. The reversal of 136818004128 is 821400818631.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 136818004128.

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, 968100 + ... + 1100387.

It is an arithmetic number, because the mean of its divisors is an integer number (4104914436).

Almost surely, 2^136818004128 is an apocalyptic number.

It is an amenable number.

136818004128 is an abundant number, since it is smaller than the sum of its proper divisors (257253781728).

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

136818004128 is a wasteful number, since it uses less digits than its factorization.

136818004128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068566 (or 2068558 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 136818004128 in words is "one hundred thirty-six billion, eight hundred eighteen million, four thousand, one hundred twenty-eight".