2271015139 has 2 divisors, whose sum is σ = 2271015140. Its totient is φ = 2271015138.

The previous prime is 2271015113. The next prime is 2271015167. The reversal of 2271015139 is 9315101722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2271015139 - 2¹¹ = 2271013091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2271015139.

It is not a weakly prime, because it can be changed into another prime (2271010139) by changing a digit.

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 as a sum of consecutive naturals, namely, 1135507569 + 1135507570.

It is an arithmetic number, because the mean of its divisors is an integer number (1135507570).

Almost surely, 2^2271015139 is an apocalyptic number.

2271015139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271015139 is an equidigital number, since it uses as much as digits as its factorization.

2271015139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 2271015139 is about 47655.1690690527. The cubic root of 2271015139 is about 1314.4377089703.

The spelling of 2271015139 in words is "two billion, two hundred seventy-one million, fifteen thousand, one hundred thirty-nine".