2103138273 has 8 divisors (see below), whose sum is σ = 2804673600. Its totient is φ = 1401847568.

The previous prime is 2103138223. The next prime is 2103138293. The reversal of 2103138273 is 3728313012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103138273 - 2¹² = 2103134177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103138273.

It is not an unprimeable number, because it can be changed into a prime (2103138223) 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, 40053 + ... + 76226.

It is an arithmetic number, because the mean of its divisors is an integer number (350584200).

Almost surely, 2^2103138273 is an apocalyptic number.

It is an amenable number.

2103138273 is a deficient number, since it is larger than the sum of its proper divisors (701535327).

2103138273 is a wasteful number, since it uses less digits than its factorization.

2103138273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122311.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2103138273 is about 45859.9855320518. The cubic root of 2103138273 is about 1281.2167533614.

The spelling of 2103138273 in words is "two billion, one hundred three million, one hundred thirty-eight thousand, two hundred seventy-three".