126405707716 has 12 divisors (see below), whose sum is σ = 221212751760. Its totient is φ = 63202064360.

The previous prime is 126405707713. The next prime is 126405707749. The reversal of 126405707716 is 617707504621.

It is not an unprimeable number, because it can be changed into a prime (126405707713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304875 + ... + 588013.

It is an arithmetic number, because the mean of its divisors is an integer number (18434395980).

Almost surely, 2^126405707716 is an apocalyptic number.

It is an amenable number.

126405707716 is a deficient number, since it is larger than the sum of its proper divisors (94807044044).

126405707716 is a wasteful number, since it uses less digits than its factorization.

126405707716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394754 (or 394752 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 126405707716 in words is "one hundred twenty-six billion, four hundred five million, seven hundred seven thousand, seven hundred sixteen".