126896561734 has 8 divisors (see below), whose sum is σ = 190347463440. Its totient is φ = 63447407256.

The previous prime is 126896561719. The next prime is 126896561801. The reversal of 126896561734 is 437165698621.

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

It is a super-2 number, since 2×126896561734² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 236949 + ... + 556720.

It is an arithmetic number, because the mean of its divisors is an integer number (23793432930).

Almost surely, 2^126896561734 is an apocalyptic number.

126896561734 is a deficient number, since it is larger than the sum of its proper divisors (63450901706).

126896561734 is an equidigital number, since it uses as much as digits as its factorization.

126896561734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873614.

The product of its digits is 13063680, while the sum is 58.

The spelling of 126896561734 in words is "one hundred twenty-six billion, eight hundred ninety-six million, five hundred sixty-one thousand, seven hundred thirty-four".