126734508268 has 6 divisors (see below), whose sum is σ = 221785389476. Its totient is φ = 63367254132.

The previous prime is 126734508217. The next prime is 126734508281. The reversal of 126734508268 is 862805437621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15841813530 + ... + 15841813537.

Almost surely, 2^126734508268 is an apocalyptic number.

It is an amenable number.

126734508268 is a deficient number, since it is larger than the sum of its proper divisors (95050881208).

126734508268 is a wasteful number, since it uses less digits than its factorization.

126734508268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31683627071 (or 31683627069 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 126734508268 in words is "one hundred twenty-six billion, seven hundred thirty-four million, five hundred eight thousand, two hundred sixty-eight".