126332707638 has 16 divisors (see below), whose sum is σ = 252678113280. Its totient is φ = 42108786216.

The previous prime is 126332707621. The next prime is 126332707639. The reversal of 126332707638 is 836707233621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126332707639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397218 + ... + 640661.

It is an arithmetic number, because the mean of its divisors is an integer number (15792382080).

Almost surely, 2^126332707638 is an apocalyptic number.

126332707638 is an abundant number, since it is smaller than the sum of its proper divisors (126345405642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126332707638 is a wasteful number, since it uses less digits than its factorization.

126332707638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058171.

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 126332707638 in words is "one hundred twenty-six billion, three hundred thirty-two million, seven hundred seven thousand, six hundred thirty-eight".