2136287 has 2 divisors, whose sum is σ = 2136288. Its totient is φ = 2136286.

The previous prime is 2136247. The next prime is 2136289. The reversal of 2136287 is 7826312.

It is a happy number.

2136287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2136287 - 2¹⁸ = 1874143 is a prime.

Together with 2136289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068143 + 1068144.

It is an arithmetic number, because the mean of its divisors is an integer number (1068144).

2^2136287 is an apocalyptic number.

2136287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136287 is an equidigital number, since it uses as much as digits as its factorization.

2136287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 2136287 is about 1461.6042556041. The cubic root of 2136287 is about 128.7913016707.

The spelling of 2136287 in words is "two million, one hundred thirty-six thousand, two hundred eighty-seven".