126388685674 has 8 divisors (see below), whose sum is σ = 189584748288. Its totient is φ = 63193769580.

The previous prime is 126388685623. The next prime is 126388685693. The reversal of 126388685674 is 476586883621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85689 + ... + 510019.

It is an arithmetic number, because the mean of its divisors is an integer number (23698093536).

Almost surely, 2^126388685674 is an apocalyptic number.

126388685674 is a deficient number, since it is larger than the sum of its proper divisors (63196062614).

126388685674 is a wasteful number, since it uses less digits than its factorization.

126388685674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573260.

The product of its digits is 92897280, while the sum is 64.

The spelling of 126388685674 in words is "one hundred twenty-six billion, three hundred eighty-eight million, six hundred eighty-five thousand, six hundred seventy-four".