2136154843 has 2 divisors, whose sum is σ = 2136154844. Its totient is φ = 2136154842.

The previous prime is 2136154829. The next prime is 2136154849. The reversal of 2136154843 is 3484516312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136154843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2136154849) 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, 1068077421 + 1068077422.

It is an arithmetic number, because the mean of its divisors is an integer number (1068077422).

Almost surely, 2^2136154843 is an apocalyptic number.

2136154843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136154843 is an equidigital number, since it uses as much as digits as its factorization.

2136154843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 2136154843 is about 46218.5551807929. Note that the first 3 decimals coincide. The cubic root of 2136154843 is about 1287.8864581299.

The spelling of 2136154843 in words is "two billion, one hundred thirty-six million, one hundred fifty-four thousand, eight hundred forty-three".