126134739319 has 2 divisors, whose sum is σ = 126134739320. Its totient is φ = 126134739318.

The previous prime is 126134739317. The next prime is 126134739343. The reversal of 126134739319 is 913937431621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126134739319 - 2¹ = 126134739317 is a prime.

It is a super-2 number, since 2×126134739319² (a number of 23 digits) contains 22 as substring.

Together with 126134739317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126134739317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63067369659 + 63067369660.

It is an arithmetic number, because the mean of its divisors is an integer number (63067369660).

Almost surely, 2^126134739319 is an apocalyptic number.

126134739319 is a deficient number, since it is larger than the sum of its proper divisors (1).

126134739319 is an equidigital number, since it uses as much as digits as its factorization.

126134739319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The spelling of 126134739319 in words is "one hundred twenty-six billion, one hundred thirty-four million, seven hundred thirty-nine thousand, three hundred nineteen".