126389399288 has 8 divisors (see below), whose sum is σ = 236980123680. Its totient is φ = 63194699640.

The previous prime is 126389399287. The next prime is 126389399317. The reversal of 126389399288 is 882993983621.

126389399288 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126389399287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7899337448 + ... + 7899337463.

It is an arithmetic number, because the mean of its divisors is an integer number (29622515460).

Almost surely, 2^126389399288 is an apocalyptic number.

It is an amenable number.

126389399288 is a deficient number, since it is larger than the sum of its proper divisors (110590724392).

126389399288 is a wasteful number, since it uses less digits than its factorization.

126389399288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798674917 (or 15798674913 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 68.

The spelling of 126389399288 in words is "one hundred twenty-six billion, three hundred eighty-nine million, three hundred ninety-nine thousand, two hundred eighty-eight".