2134199939 has 2 divisors, whose sum is σ = 2134199940. Its totient is φ = 2134199938.

The previous prime is 2134199927. The next prime is 2134199953. The reversal of 2134199939 is 9399914312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134199939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2134199959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067099969 + 1067099970.

It is an arithmetic number, because the mean of its divisors is an integer number (1067099970).

Almost surely, 2^2134199939 is an apocalyptic number.

2134199939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134199939 is an equidigital number, since it uses as much as digits as its factorization.

2134199939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472392, while the sum is 50.

The square root of 2134199939 is about 46197.4018641741. The cubic root of 2134199939 is about 1287.4934680788.

The spelling of 2134199939 in words is "two billion, one hundred thirty-four million, one hundred ninety-nine thousand, nine hundred thirty-nine".