126782503836 has 24 divisors (see below), whose sum is σ = 297640729344. Its totient is φ = 42001565040.

The previous prime is 126782503781. The next prime is 126782503843. The reversal of 126782503836 is 638305287621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32406660 + ... + 32410571.

It is an arithmetic number, because the mean of its divisors is an integer number (12401697056).

Almost surely, 2^126782503836 is an apocalyptic number.

It is an amenable number.

126782503836 is an abundant number, since it is smaller than the sum of its proper divisors (170858225508).

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

126782503836 is a wasteful number, since it uses less digits than its factorization.

126782503836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64817401 (or 64817399 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 126782503836 in words is "one hundred twenty-six billion, seven hundred eighty-two million, five hundred three thousand, eight hundred thirty-six".