136436115271 has 2 divisors, whose sum is σ = 136436115272. Its totient is φ = 136436115270.

The previous prime is 136436115269. The next prime is 136436115281. The reversal of 136436115271 is 172511634631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136436115271 - 2¹ = 136436115269 is a prime.

It is a super-3 number, since 3×136436115271³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 136436115269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136436115281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68218057635 + 68218057636.

It is an arithmetic number, because the mean of its divisors is an integer number (68218057636).

Almost surely, 2^136436115271 is an apocalyptic number.

136436115271 is a deficient number, since it is larger than the sum of its proper divisors (1).

136436115271 is an equidigital number, since it uses as much as digits as its factorization.

136436115271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The spelling of 136436115271 in words is "one hundred thirty-six billion, four hundred thirty-six million, one hundred fifteen thousand, two hundred seventy-one".