136368702686 has 16 divisors (see below), whose sum is σ = 205844575104. Its totient is φ = 67754109144.

The previous prime is 136368702643. The next prime is 136368702739. The reversal of 136368702686 is 686207863631.

It is a super-2 number, since 2×136368702686² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 991901 + ... + 1120983.

It is an arithmetic number, because the mean of its divisors is an integer number (12865285944).

Almost surely, 2^136368702686 is an apocalyptic number.

136368702686 is a deficient number, since it is larger than the sum of its proper divisors (69475872418).

136368702686 is a wasteful number, since it uses less digits than its factorization.

136368702686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132415.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 136368702686 in words is "one hundred thirty-six billion, three hundred sixty-eight million, seven hundred two thousand, six hundred eighty-six".