126500013764 has 6 divisors (see below), whose sum is σ = 221375024094. Its totient is φ = 63250006880.

The previous prime is 126500013713. The next prime is 126500013791. The reversal of 126500013764 is 467310005621.

It can be written as a sum of positive squares in only one way, i.e., 121849864900 + 4650148864 = 349070^2 + 68192^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15812501717 + ... + 15812501724.

It is an arithmetic number, because the mean of its divisors is an integer number (36895837349).

Almost surely, 2^126500013764 is an apocalyptic number.

It is an amenable number.

126500013764 is a deficient number, since it is larger than the sum of its proper divisors (94875010330).

126500013764 is a wasteful number, since it uses less digits than its factorization.

126500013764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31625003445 (or 31625003443 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 126500013764 in words is "one hundred twenty-six billion, five hundred million, thirteen thousand, seven hundred sixty-four".