136585968 has 40 divisors (see below), whose sum is σ = 353632128. Its totient is φ = 45427392.

The previous prime is 136585963. The next prime is 136585979. The reversal of 136585968 is 869585631.

It is a Cunningham number, because it is equal to 11687²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 136585968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136585961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20455 + ... + 26297.

Almost surely, 2^136585968 is an apocalyptic number.

It is an amenable number.

136585968 is an abundant number, since it is smaller than the sum of its proper divisors (217046160).

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

136585968 is a wasteful number, since it uses less digits than its factorization.

136585968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6341 (or 6335 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The square root of 136585968 is about 11686.9999572174. Note that the first 4 decimals coincide. The cubic root of 136585968 is about 514.9938328353.

The spelling of 136585968 in words is "one hundred thirty-six million, five hundred eighty-five thousand, nine hundred sixty-eight".