126831089989360 has 40 divisors (see below), whose sum is σ = 295342319109456. Its totient is φ = 50653290209280.

The previous prime is 126831089989343. The next prime is 126831089989361. The reversal of 126831089989360 is 63989980138621.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×126831089989360² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126831089989361) 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, 1236601314 + ... + 1236703873.

Almost surely, 2^{126831089989360} is an apocalyptic number.

126831089989360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126831089989360 is an abundant number, since it is smaller than the sum of its proper divisors (168511229120096).

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

126831089989360 is a wasteful number, since it uses less digits than its factorization.

126831089989360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473305841 (or 2473305835 counting only the distinct ones).

The product of its (nonzero) digits is 241864704, while the sum is 73.

The spelling of 126831089989360 in words is "one hundred twenty-six trillion, eight hundred thirty-one billion, eighty-nine million, nine hundred eighty-nine thousand, three hundred sixty".