136117655365 has 4 divisors (see below), whose sum is σ = 163341186444. Its totient is φ = 108894124288.

The previous prime is 136117655363. The next prime is 136117655383. The reversal of 136117655365 is 563556711631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563556711631 = 229 ⋅2460946339.

It can be written as a sum of positive squares in 2 ways, for example, as 98325517761 + 37792137604 = 313569^2 + 194402^2 .

It is a cyclic number.

It is not a de Polignac number, because 136117655365 - 2¹ = 136117655363 is a prime.

It is a super-2 number, since 2×136117655365² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136117655363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13611765532 + ... + 13611765541.

It is an arithmetic number, because the mean of its divisors is an integer number (40835296611).

Almost surely, 2^136117655365 is an apocalyptic number.

It is an amenable number.

136117655365 is a deficient number, since it is larger than the sum of its proper divisors (27223531079).

136117655365 is an equidigital number, since it uses as much as digits as its factorization.

136117655365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27223531078.

The product of its digits is 1701000, while the sum is 49.

The spelling of 136117655365 in words is "one hundred thirty-six billion, one hundred seventeen million, six hundred fifty-five thousand, three hundred sixty-five".