136610211365 has 4 divisors (see below), whose sum is σ = 163932253644. Its totient is φ = 109288169088.

The previous prime is 136610211359. The next prime is 136610211377. The reversal of 136610211365 is 563112016631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563112016631 = 3613 ⋅155857187.

It can be written as a sum of positive squares in 2 ways, for example, as 66575352484 + 70034858881 = 258022^2 + 264641^2 .

It is a cyclic number.

It is not a de Polignac number, because 136610211365 - 2²⁸ = 136341775909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13661021132 + ... + 13661021141.

It is an arithmetic number, because the mean of its divisors is an integer number (40983063411).

Almost surely, 2^136610211365 is an apocalyptic number.

It is an amenable number.

136610211365 is a deficient number, since it is larger than the sum of its proper divisors (27322042279).

136610211365 is an equidigital number, since it uses as much as digits as its factorization.

136610211365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27322042278.

The product of its (nonzero) digits is 19440, while the sum is 35.

Adding to 136610211365 its reverse (563112016631), we get a palindrome (699722227996).

The spelling of 136610211365 in words is "one hundred thirty-six billion, six hundred ten million, two hundred eleven thousand, three hundred sixty-five".