2135868548 has 24 divisors (see below), whose sum is σ = 4126701600. Its totient is φ = 959150720.

The previous prime is 2135868509. The next prime is 2135868557. The reversal of 2135868548 is 8458685312.

It is a junction number, because it is equal to n+sod(n) for n = 2135868496 and 2135868505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288773 + ... + 296076.

It is an arithmetic number, because the mean of its divisors is an integer number (171945900).

Almost surely, 2^2135868548 is an apocalyptic number.

It is an amenable number.

2135868548 is a deficient number, since it is larger than the sum of its proper divisors (1990833052).

2135868548 is a wasteful number, since it uses less digits than its factorization.

2135868548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584947 (or 584945 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

The square root of 2135868548 is about 46215.4578901908. The cubic root of 2135868548 is about 1287.8289198655.

The spelling of 2135868548 in words is "two billion, one hundred thirty-five million, eight hundred sixty-eight thousand, five hundred forty-eight".