126464617634 has 8 divisors (see below), whose sum is σ = 189698451228. Its totient is φ = 63231800560.

The previous prime is 126464617621. The next prime is 126464617649. The reversal of 126464617634 is 436716464621.

It can be written as a sum of positive squares in 2 ways, for example, as 96413355025 + 30051262609 = 310505^2 + 173353^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 289364 + ... + 580224.

Almost surely, 2^126464617634 is an apocalyptic number.

126464617634 is a deficient number, since it is larger than the sum of its proper divisors (63233833594).

126464617634 is a wasteful number, since it uses less digits than its factorization.

126464617634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508260.

The product of its digits is 3483648, while the sum is 50.

The spelling of 126464617634 in words is "one hundred twenty-six billion, four hundred sixty-four million, six hundred seventeen thousand, six hundred thirty-four".