136366512271 has 4 divisors (see below), whose sum is σ = 148763467944. Its totient is φ = 123969556600.

The previous prime is 136366512223. The next prime is 136366512307. The reversal of 136366512271 is 172215663631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172215663631 = 11 ⋅15655969421.

It is a cyclic number.

It is not a de Polignac number, because 136366512271 - 2⁷ = 136366512143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136366512211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6198477820 + ... + 6198477841.

It is an arithmetic number, because the mean of its divisors is an integer number (37190866986).

Almost surely, 2^136366512271 is an apocalyptic number.

136366512271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136366512271 is a deficient number, since it is larger than the sum of its proper divisors (12396955673).

136366512271 is a wasteful number, since it uses less digits than its factorization.

136366512271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396955672.

The product of its digits is 272160, while the sum is 43.

The spelling of 136366512271 in words is "one hundred thirty-six billion, three hundred sixty-six million, five hundred twelve thousand, two hundred seventy-one".