126143459539 has 2 divisors, whose sum is σ = 126143459540. Its totient is φ = 126143459538.

The previous prime is 126143459537. The next prime is 126143459579. The reversal of 126143459539 is 935954341621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126143459539 - 2¹ = 126143459537 is a prime.

Together with 126143459537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126143459537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63071729769 + 63071729770.

It is an arithmetic number, because the mean of its divisors is an integer number (63071729770).

Almost surely, 2^126143459539 is an apocalyptic number.

126143459539 is a deficient number, since it is larger than the sum of its proper divisors (1).

126143459539 is an equidigital number, since it uses as much as digits as its factorization.

126143459539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 52.

The spelling of 126143459539 in words is "one hundred twenty-six billion, one hundred forty-three million, four hundred fifty-nine thousand, five hundred thirty-nine".