2134125947 has 2 divisors, whose sum is σ = 2134125948. Its totient is φ = 2134125946.

The previous prime is 2134125937. The next prime is 2134125967. The reversal of 2134125947 is 7495214312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2134125947 - 2⁸ = 2134125691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134125947.

It is not a weakly prime, because it can be changed into another prime (2134125937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067062973 + 1067062974.

It is an arithmetic number, because the mean of its divisors is an integer number (1067062974).

Almost surely, 2^2134125947 is an apocalyptic number.

2134125947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134125947 is an equidigital number, since it uses as much as digits as its factorization.

2134125947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 2134125947 is about 46196.6010329764. The cubic root of 2134125947 is about 1287.4785889172.

The spelling of 2134125947 in words is "two billion, one hundred thirty-four million, one hundred twenty-five thousand, nine hundred forty-seven".