136509545500 has 48 divisors (see below), whose sum is σ = 299108313504. Its totient is φ = 54425894400.

The previous prime is 136509545483. The next prime is 136509545509. The reversal of 136509545500 is 5545905631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136509545509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291157 + ... + 598156.

It is an arithmetic number, because the mean of its divisors is an integer number (6231423198).

Almost surely, 2^136509545500 is an apocalyptic number.

136509545500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136509545500 is an abundant number, since it is smaller than the sum of its proper divisors (162598768004).

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

136509545500 is a wasteful number, since it uses less digits than its factorization.

136509545500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889639 (or 889627 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 136509545500 in words is "one hundred thirty-six billion, five hundred nine million, five hundred forty-five thousand, five hundred".