136563539688 has 96 divisors (see below), whose sum is σ = 371358000000. Its totient is φ = 45337097088.

The previous prime is 136563539659. The next prime is 136563539689. The reversal of 136563539688 is 886935365631.

136563539688 is a `hidden beast` number, since 1 + 3 + 6 + 563 + 5 + 3 + 9 + 68 + 8 = 666.

It is a super-2 number, since 2×136563539688² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136563539689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23751438 + ... + 23757186.

It is an arithmetic number, because the mean of its divisors is an integer number (3868312500).

Almost surely, 2^136563539688 is an apocalyptic number.

136563539688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

136563539688 is an abundant number, since it is smaller than the sum of its proper divisors (234794460312).

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

136563539688 is a wasteful number, since it uses less digits than its factorization.

136563539688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039 (or 7032 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 136563539688 in words is "one hundred thirty-six billion, five hundred sixty-three million, five hundred thirty-nine thousand, six hundred eighty-eight".