2136443788 has 24 divisors (see below), whose sum is σ = 4065701472. Its totient is φ = 978211584.

The previous prime is 2136443783. The next prime is 2136443791. The reversal of 2136443788 is 8873446312.

It is not an unprimeable number, because it can be changed into a prime (2136443783) 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 in 7 ways as a sum of consecutive naturals, for example, 422056 + ... + 427087.

It is an arithmetic number, because the mean of its divisors is an integer number (169404228).

Almost surely, 2^2136443788 is an apocalyptic number.

It is an amenable number.

2136443788 is a deficient number, since it is larger than the sum of its proper divisors (1929257684).

2136443788 is a wasteful number, since it uses less digits than its factorization.

2136443788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849201 (or 849199 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 2136443788 is about 46221.6809300571. The cubic root of 2136443788 is about 1287.9445237670.

The spelling of 2136443788 in words is "two billion, one hundred thirty-six million, four hundred forty-three thousand, seven hundred eighty-eight".