136640335510271 has 2 divisors, whose sum is σ = 136640335510272. Its totient is φ = 136640335510270.

The previous prime is 136640335510213. The next prime is 136640335510331. The reversal of 136640335510271 is 172015533046631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136640335510271 - 2¹⁰ = 136640335509247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136640335516271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68320167755135 + 68320167755136.

It is an arithmetic number, because the mean of its divisors is an integer number (68320167755136).

Almost surely, 2^{136640335510271} is an apocalyptic number.

136640335510271 is a deficient number, since it is larger than the sum of its proper divisors (1).

136640335510271 is an equidigital number, since it uses as much as digits as its factorization.

136640335510271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 136640335510271 in words is "one hundred thirty-six trillion, six hundred forty billion, three hundred thirty-five million, five hundred ten thousand, two hundred seventy-one".