2136526181 has 2 divisors, whose sum is σ = 2136526182. Its totient is φ = 2136526180.

The previous prime is 2136526177. The next prime is 2136526211. The reversal of 2136526181 is 1816256312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1313410081 + 823116100 = 36241^2 + 28690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136526181 - 2² = 2136526177 is a prime.

It is a super-2 number, since 2×2136526181² = 9129488244196889522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136526121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068263090 + 1068263091.

It is an arithmetic number, because the mean of its divisors is an integer number (1068263091).

Almost surely, 2^2136526181 is an apocalyptic number.

It is an amenable number.

2136526181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136526181 is an equidigital number, since it uses as much as digits as its factorization.

2136526181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 2136526181 is about 46222.5722023342. The cubic root of 2136526181 is about 1287.9610802911.

The spelling of 2136526181 in words is "two billion, one hundred thirty-six million, five hundred twenty-six thousand, one hundred eighty-one".