2008907138 has 16 divisors (see below), whose sum is σ = 3446686080. Its totient is φ = 860248896.

The previous prime is 2008907129. The next prime is 2008907149. The reversal of 2008907138 is 8317098002.

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, 41543 + ... + 75786.

It is an arithmetic number, because the mean of its divisors is an integer number (215417880).

Almost surely, 2^2008907138 is an apocalyptic number.

2008907138 is a deficient number, since it is larger than the sum of its proper divisors (1437778942).

2008907138 is a wasteful number, since it uses less digits than its factorization.

2008907138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118561.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 2008907138 is about 44820.8337494964. The cubic root of 2008907138 is about 1261.7886618965.

The spelling of 2008907138 in words is "two billion, eight million, nine hundred seven thousand, one hundred thirty-eight".