2135236648 has 32 divisors (see below), whose sum is σ = 4230547200. Its totient is φ = 1008266688.

The previous prime is 2135236639. The next prime is 2135236673. The reversal of 2135236648 is 8466325312.

It is a self number, because there is not a number n which added to its sum of digits gives 2135236648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58911 + ... + 87982.

It is an arithmetic number, because the mean of its divisors is an integer number (132204600).

Almost surely, 2^2135236648 is an apocalyptic number.

It is an amenable number.

2135236648 is a deficient number, since it is larger than the sum of its proper divisors (2095310552).

2135236648 is a wasteful number, since it uses less digits than its factorization.

2135236648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147001 (or 146997 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 2135236648 is about 46208.6209272685. The cubic root of 2135236648 is about 1287.7019052822.

The spelling of 2135236648 in words is "two billion, one hundred thirty-five million, two hundred thirty-six thousand, six hundred forty-eight".