2117081139 has 8 divisors (see below), whose sum is σ = 2843379600. Its totient is φ = 1401085056.

The previous prime is 2117081107. The next prime is 2117081147. The reversal of 2117081139 is 9311807112.

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

It is not a de Polignac number, because 2117081139 - 2⁵ = 2117081107 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2117081149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575114 + ... + 2575935.

It is an arithmetic number, because the mean of its divisors is an integer number (355422450).

Almost surely, 2^2117081139 is an apocalyptic number.

2117081139 is a deficient number, since it is larger than the sum of its proper divisors (726298461).

2117081139 is a wasteful number, since it uses less digits than its factorization.

2117081139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151189.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 2117081139 is about 46011.7500101876. The cubic root of 2117081139 is about 1284.0418175500.

The spelling of 2117081139 in words is "two billion, one hundred seventeen million, eighty-one thousand, one hundred thirty-nine".