136547540728 has 32 divisors (see below), whose sum is σ = 261731347200. Its totient is φ = 66755374432.

The previous prime is 136547540693. The next prime is 136547540747. The reversal of 136547540728 is 827045745631.

136547540728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204951 + ... + 561337.

It is an arithmetic number, because the mean of its divisors is an integer number (8179104600).

Almost surely, 2^136547540728 is an apocalyptic number.

It is an amenable number.

136547540728 is a deficient number, since it is larger than the sum of its proper divisors (125183806472).

136547540728 is a wasteful number, since it uses less digits than its factorization.

136547540728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357459 (or 357455 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 52.

The spelling of 136547540728 in words is "one hundred thirty-six billion, five hundred forty-seven million, five hundred forty thousand, seven hundred twenty-eight".