126645714464 has 24 divisors (see below), whose sum is σ = 249342470748. Its totient is φ = 63320642560.

The previous prime is 126645714451. The next prime is 126645714497. The reversal of 126645714464 is 464417546621.

It can be written as a sum of positive squares in 2 ways, for example, as 125534158864 + 1111555600 = 354308^2 + 33340^2 .

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, 1242524 + ... + 1340580.

Almost surely, 2^126645714464 is an apocalyptic number.

It is an amenable number.

126645714464 is a deficient number, since it is larger than the sum of its proper divisors (122696756284).

126645714464 is an equidigital number, since it uses as much as digits as its factorization.

126645714464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138428 (or 138420 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 50.

The spelling of 126645714464 in words is "one hundred twenty-six billion, six hundred forty-five million, seven hundred fourteen thousand, four hundred sixty-four".