135817636365 has 12 divisors (see below), whose sum is σ = 235417236444. Its totient is φ = 72436072704.

The previous prime is 135817636343. The next prime is 135817636397. The reversal of 135817636365 is 563636718531.

135817636365 is a `hidden beast` number, since 1 + 3 + 58 + 176 + 363 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46137751209 + 89679885156 = 214797^2 + 299466^2 .

It is not a de Polignac number, because 135817636365 - 2⁸ = 135817636109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1509084804 + ... + 1509084893.

It is an arithmetic number, because the mean of its divisors is an integer number (19618103037).

Almost surely, 2^135817636365 is an apocalyptic number.

135817636365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135817636365 is a deficient number, since it is larger than the sum of its proper divisors (99599600079).

135817636365 is a wasteful number, since it uses less digits than its factorization.

135817636365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018169708 (or 3018169705 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 135817636365 in words is "one hundred thirty-five billion, eight hundred seventeen million, six hundred thirty-six thousand, three hundred sixty-five".