136086308255 has 4 divisors (see below), whose sum is σ = 163303569912. Its totient is φ = 108869046600.

The previous prime is 136086308233. The next prime is 136086308279. The reversal of 136086308255 is 552803680631.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-136086308255 is a prime.

It is a super-2 number, since 2×136086308255² (a number of 23 digits) contains 22 as substring.

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, 13608630821 + ... + 13608630830.

It is an arithmetic number, because the mean of its divisors is an integer number (40825892478).

Almost surely, 2^136086308255 is an apocalyptic number.

136086308255 is a deficient number, since it is larger than the sum of its proper divisors (27217261657).

136086308255 is an equidigital number, since it uses as much as digits as its factorization.

136086308255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27217261656.

The product of its (nonzero) digits is 1036800, while the sum is 47.

Adding to 136086308255 its reverse (552803680631), we get a palindrome (688889988886).

The spelling of 136086308255 in words is "one hundred thirty-six billion, eighty-six million, three hundred eight thousand, two hundred fifty-five".