126813388 has 24 divisors (see below), whose sum is σ = 242918480. Its totient is φ = 57568320.

The previous prime is 126813373. The next prime is 126813389. The reversal of 126813388 is 883318621.

It is a self number, because there is not a number n which added to its sum of digits gives 126813388.

It is not an unprimeable number, because it can be changed into a prime (126813389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16818 + ... + 23161.

Almost surely, 2^126813388 is an apocalyptic number.

It is an amenable number.

126813388 is a deficient number, since it is larger than the sum of its proper divisors (116105092).

126813388 is a wasteful number, since it uses less digits than its factorization.

126813388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40057 (or 40055 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 126813388 is about 11261.1450572311. The cubic root of 126813388 is about 502.4062519929.

The spelling of 126813388 in words is "one hundred twenty-six million, eight hundred thirteen thousand, three hundred eighty-eight".