126319437632 has 14 divisors (see below), whose sum is σ = 250665134178. Its totient is φ = 63159718784.

The previous prime is 126319437619. The next prime is 126319437637. The reversal of 126319437632 is 236734913621.

It can be written as a sum of positive squares in only one way, i.e., 113957555776 + 12361881856 = 337576^2 + 111184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126319437637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986870543 + ... + 986870670.

Almost surely, 2^126319437632 is an apocalyptic number.

It is an amenable number.

126319437632 is a deficient number, since it is larger than the sum of its proper divisors (124345696546).

126319437632 is an equidigital number, since it uses as much as digits as its factorization.

126319437632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973741225 (or 1973741215 counting only the distinct ones).

The product of its digits is 979776, while the sum is 47.

The spelling of 126319437632 in words is "one hundred twenty-six billion, three hundred nineteen million, four hundred thirty-seven thousand, six hundred thirty-two".