136036808772881 has 2 divisors, whose sum is σ = 136036808772882. Its totient is φ = 136036808772880.

The previous prime is 136036808772869. The next prime is 136036808772911. The reversal of 136036808772881 is 188277808630631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72254080057600 + 63782728715281 = 8500240^2 + 7986409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136036808772881 is a prime.

It is a super-2 number, since 2×136036808772881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136036808772811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68018404386440 + 68018404386441.

It is an arithmetic number, because the mean of its divisors is an integer number (68018404386441).

Almost surely, 2^{136036808772881} is an apocalyptic number.

It is an amenable number.

136036808772881 is a deficient number, since it is larger than the sum of its proper divisors (1).

136036808772881 is an equidigital number, since it uses as much as digits as its factorization.

136036808772881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 130056192, while the sum is 68.

The spelling of 136036808772881 in words is "one hundred thirty-six trillion, thirty-six billion, eight hundred eight million, seven hundred seventy-two thousand, eight hundred eighty-one".