136934682218 has 8 divisors (see below), whose sum is σ = 210411828900. Its totient is φ = 66797405920.

The previous prime is 136934682217. The next prime is 136934682271. The reversal of 136934682218 is 812286439631.

It can be written as a sum of positive squares in 2 ways, for example, as 132869727169 + 4064955049 = 364513^2 + 63757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×136934682218² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136934682218.

It is not an unprimeable number, because it can be changed into a prime (136934682217) 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 3 ways as a sum of consecutive naturals, for example, 834967493 + ... + 834967656.

Almost surely, 2^136934682218 is an apocalyptic number.

136934682218 is a deficient number, since it is larger than the sum of its proper divisors (73477146682).

136934682218 is a wasteful number, since it uses less digits than its factorization.

136934682218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669935192.

The product of its digits is 2985984, while the sum is 53.

The spelling of 136934682218 in words is "one hundred thirty-six billion, nine hundred thirty-four million, six hundred eighty-two thousand, two hundred eighteen".