2139314171 has 2 divisors, whose sum is σ = 2139314172. Its totient is φ = 2139314170.

The previous prime is 2139314159. The next prime is 2139314189. The reversal of 2139314171 is 1714139312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2139314171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139314131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069657085 + 1069657086.

It is an arithmetic number, because the mean of its divisors is an integer number (1069657086).

Almost surely, 2^2139314171 is an apocalyptic number.

2139314171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139314171 is an equidigital number, since it uses as much as digits as its factorization.

2139314171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 2139314171 is about 46252.7206875444. The cubic root of 2139314171 is about 1288.5210643541.

The spelling of 2139314171 in words is "two billion, one hundred thirty-nine million, three hundred fourteen thousand, one hundred seventy-one".