2006139088 has 20 divisors (see below), whose sum is σ = 3899402208. Its totient is φ = 999841760.

The previous prime is 2006139049. The next prime is 2006139089. The reversal of 2006139088 is 8809316002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006139089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196606 + ... + 206557.

Almost surely, 2^2006139088 is an apocalyptic number.

It is an amenable number.

2006139088 is a deficient number, since it is larger than the sum of its proper divisors (1893263120).

2006139088 is a wasteful number, since it uses less digits than its factorization.

2006139088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403482 (or 403476 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2006139088 is about 44789.9440499762. The cubic root of 2006139088 is about 1261.2088608279.

The spelling of 2006139088 in words is "two billion, six million, one hundred thirty-nine thousand, eighty-eight".