136136323091 has 2 divisors, whose sum is σ = 136136323092. Its totient is φ = 136136323090.

The previous prime is 136136323067. The next prime is 136136323121. The reversal of 136136323091 is 190323631631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136136323091 - 2¹⁰ = 136136322067 is a prime.

It is not a weakly prime, because it can be changed into another prime (136136323591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68068161545 + 68068161546.

It is an arithmetic number, because the mean of its divisors is an integer number (68068161546).

Almost surely, 2^136136323091 is an apocalyptic number.

136136323091 is a deficient number, since it is larger than the sum of its proper divisors (1).

136136323091 is an equidigital number, since it uses as much as digits as its factorization.

136136323091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 136136323091 in words is "one hundred thirty-six billion, one hundred thirty-six million, three hundred twenty-three thousand, ninety-one".