136040886316691 has 2 divisors, whose sum is σ = 136040886316692. Its totient is φ = 136040886316690.

The previous prime is 136040886316649. The next prime is 136040886316697. The reversal of 136040886316691 is 196613688040631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136040886316691 - 2³⁴ = 136023706447507 is a prime.

It is not a weakly prime, because it can be changed into another prime (136040886316697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68020443158345 + 68020443158346.

It is an arithmetic number, because the mean of its divisors is an integer number (68020443158346).

Almost surely, 2^{136040886316691} is an apocalyptic number.

136040886316691 is a deficient number, since it is larger than the sum of its proper divisors (1).

136040886316691 is an equidigital number, since it uses as much as digits as its factorization.

136040886316691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 136040886316691 in words is "one hundred thirty-six trillion, forty billion, eight hundred eighty-six million, three hundred sixteen thousand, six hundred ninety-one".