2134809139 has 2 divisors, whose sum is σ = 2134809140. Its totient is φ = 2134809138.

The previous prime is 2134809097. The next prime is 2134809151. The reversal of 2134809139 is 9319084312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2134809139 - 2¹⁹ = 2134284851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2134809199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067404569 + 1067404570.

It is an arithmetic number, because the mean of its divisors is an integer number (1067404570).

Almost surely, 2^2134809139 is an apocalyptic number.

2134809139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134809139 is an equidigital number, since it uses as much as digits as its factorization.

2134809139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2134809139 is about 46203.9948381090. The cubic root of 2134809139 is about 1287.6159599456.

The spelling of 2134809139 in words is "two billion, one hundred thirty-four million, eight hundred nine thousand, one hundred thirty-nine".