2008138004128 has 24 divisors (see below), whose sum is σ = 3977776440288. Its totient is φ = 997909066944.

The previous prime is 2008138004087. The next prime is 2008138004137. The reversal of 2008138004128 is 8214008318002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192492676 + ... + 192503107.

It is an arithmetic number, because the mean of its divisors is an integer number (165740685012).

Almost surely, 2^{2008138004128} is an apocalyptic number.

It is an amenable number.

2008138004128 is a deficient number, since it is larger than the sum of its proper divisors (1969638436160).

2008138004128 is a wasteful number, since it uses less digits than its factorization.

2008138004128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384995956 (or 384995948 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 2008138004128 in words is "two trillion, eight billion, one hundred thirty-eight million, four thousand, one hundred twenty-eight".