136865841367 has 4 divisors (see below), whose sum is σ = 136945370016. Its totient is φ = 136786312720.

The previous prime is 136865841253. The next prime is 136865841383. The reversal of 136865841367 is 763148568631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763148568631 = 86179 ⋅8855389.

It is a cyclic number.

It is not a de Polignac number, because 136865841367 - 2³⁵ = 102506102999 is a prime.

It is a super-3 number, since 3×136865841367³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136865841067) 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, 39761743 + ... + 39765184.

It is an arithmetic number, because the mean of its divisors is an integer number (34236342504).

Almost surely, 2^136865841367 is an apocalyptic number.

136865841367 is a deficient number, since it is larger than the sum of its proper divisors (79528649).

136865841367 is an equidigital number, since it uses as much as digits as its factorization.

136865841367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79528648.

The product of its digits is 17418240, while the sum is 58.

The spelling of 136865841367 in words is "one hundred thirty-six billion, eight hundred sixty-five million, eight hundred forty-one thousand, three hundred sixty-seven".