2347139105 has 4 divisors (see below), whose sum is σ = 2816566932. Its totient is φ = 1877711280.

The previous prime is 2347139077. The next prime is 2347139107. The reversal of 2347139105 is 5019317432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 678498304 + 1668640801 = 26048^2 + 40849^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2347139105 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2347139107) 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, 234713906 + ... + 234713915.

It is an arithmetic number, because the mean of its divisors is an integer number (704141733).

Almost surely, 2^2347139105 is an apocalyptic number.

It is an amenable number.

2347139105 is a deficient number, since it is larger than the sum of its proper divisors (469427827).

2347139105 is an equidigital number, since it uses as much as digits as its factorization.

2347139105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469427826.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2347139105 is about 48447.2817090908. The cubic root of 2347139105 is about 1328.9631629338.

The spelling of 2347139105 in words is "two billion, three hundred forty-seven million, one hundred thirty-nine thousand, one hundred five".