271162139 has 2 divisors, whose sum is σ = 271162140. Its totient is φ = 271162138.

The previous prime is 271162123. The next prime is 271162147. The reversal of 271162139 is 931261172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 271162139 - 2⁴ = 271162123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (271162039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135581069 + 135581070.

It is an arithmetic number, because the mean of its divisors is an integer number (135581070).

Almost surely, 2^271162139 is an apocalyptic number.

271162139 is a deficient number, since it is larger than the sum of its proper divisors (1).

271162139 is an equidigital number, since it uses as much as digits as its factorization.

271162139 is an odious number, because the sum of its binary digits is odd.

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

The square root of 271162139 is about 16467.0015181878. The cubic root of 271162139 is about 647.2563954943.

The spelling of 271162139 in words is "two hundred seventy-one million, one hundred sixty-two thousand, one hundred thirty-nine".