136692651185 has 4 divisors (see below), whose sum is σ = 164031181428. Its totient is φ = 109354120944.

The previous prime is 136692651169. The next prime is 136692651203. The reversal of 136692651185 is 581156296631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 581156296631 = 2803 ⋅207333677.

It can be written as a sum of positive squares in 2 ways, for example, as 20225390656 + 116467260529 = 142216^2 + 341273^2 .

It is a cyclic number.

It is not a de Polignac number, because 136692651185 - 2⁴ = 136692651169 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 13669265114 + ... + 13669265123.

It is an arithmetic number, because the mean of its divisors is an integer number (41007795357).

Almost surely, 2^136692651185 is an apocalyptic number.

It is an amenable number.

136692651185 is a deficient number, since it is larger than the sum of its proper divisors (27338530243).

136692651185 is an equidigital number, since it uses as much as digits as its factorization.

136692651185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27338530242.

The product of its digits is 2332800, while the sum is 53.

The spelling of 136692651185 in words is "one hundred thirty-six billion, six hundred ninety-two million, six hundred fifty-one thousand, one hundred eighty-five".