2136526213 has 2 divisors, whose sum is σ = 2136526214. Its totient is φ = 2136526212.

The previous prime is 2136526211. The next prime is 2136526229. The reversal of 2136526213 is 3126256312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119037089 + 17489124 = 46033^2 + 4182^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136526213 - 2¹ = 2136526211 is a prime.

It is a super-2 number, since 2×2136526213² = 9129488517672242738, which contains 22 as substring.

Together with 2136526211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136526211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068263106 + 1068263107.

It is an arithmetic number, because the mean of its divisors is an integer number (1068263107).

Almost surely, 2^2136526213 is an apocalyptic number.

It is an amenable number.

2136526213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136526213 is an equidigital number, since it uses as much as digits as its factorization.

2136526213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 2136526213 is about 46222.5725484854. The cubic root of 2136526213 is about 1287.9610867212.

The spelling of 2136526213 in words is "two billion, one hundred thirty-six million, five hundred twenty-six thousand, two hundred thirteen".