2136285287 has 4 divisors (see below), whose sum is σ = 2229167280. Its totient is φ = 2043403296.

The previous prime is 2136285271. The next prime is 2136285343. The reversal of 2136285287 is 7825826312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2136285287 - 2⁴ = 2136285271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136215287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46440962 + ... + 46441007.

It is an arithmetic number, because the mean of its divisors is an integer number (557291820).

Almost surely, 2^2136285287 is an apocalyptic number.

2136285287 is a deficient number, since it is larger than the sum of its proper divisors (92881993).

2136285287 is an equidigital number, since it uses as much as digits as its factorization.

2136285287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92881992.

The product of its digits is 322560, while the sum is 44.

The square root of 2136285287 is about 46219.9663240899. The cubic root of 2136285287 is about 1287.9126724658.

The spelling of 2136285287 in words is "two billion, one hundred thirty-six million, two hundred eighty-five thousand, two hundred eighty-seven".