136109636709 has 32 divisors (see below), whose sum is σ = 186273644544. Its totient is φ = 88370118720.

The previous prime is 136109636639. The next prime is 136109636711. The reversal of 136109636709 is 907636901631.

It is a de Polignac number, because none of the positive numbers 2^k-136109636709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136109636749) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14785102 + ... + 14794304.

It is an arithmetic number, because the mean of its divisors is an integer number (5821051392).

Almost surely, 2^136109636709 is an apocalyptic number.

It is an amenable number.

136109636709 is a deficient number, since it is larger than the sum of its proper divisors (50164007835).

136109636709 is a wasteful number, since it uses less digits than its factorization.

136109636709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937.

The product of its (nonzero) digits is 1102248, while the sum is 51.

The spelling of 136109636709 in words is "one hundred thirty-six billion, one hundred nine million, six hundred thirty-six thousand, seven hundred nine".