2106139606 has 8 divisors (see below), whose sum is σ = 3162061440. Its totient is φ = 1052119128.

The previous prime is 2106139589. The next prime is 2106139621. The reversal of 2106139606 is 6069316012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472566 + ... + 477001.

It is an arithmetic number, because the mean of its divisors is an integer number (395257680).

Almost surely, 2^2106139606 is an apocalyptic number.

2106139606 is a deficient number, since it is larger than the sum of its proper divisors (1055921834).

2106139606 is a wasteful number, since it uses less digits than its factorization.

2106139606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950678.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2106139606 is about 45892.6966520818. The cubic root of 2106139606 is about 1281.8259271878.

The spelling of 2106139606 in words is "two billion, one hundred six million, one hundred thirty-nine thousand, six hundred six".