126338126338 has 32 divisors (see below), whose sum is σ = 193011764400. Its totient is φ = 62013600000.

The previous prime is 126338126333. The next prime is 126338126377. The reversal of 126338126338 is 833621833621.

It can be written as a sum of positive squares in 8 ways, for example, as 105454119169 + 20884007169 = 324737^2 + 144513^2 .

It is a super-2 number, since 2×126338126338² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126338126333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12755188 + ... + 12765088.

Almost surely, 2^126338126338 is an apocalyptic number.

126338126338 is a deficient number, since it is larger than the sum of its proper divisors (66673638062).

126338126338 is a wasteful number, since it uses less digits than its factorization.

126338126338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534.

The product of its digits is 746496, while the sum is 46.

Adding to 126338126338 its reverse (833621833621), we get a palindrome (959959959959).

The spelling of 126338126338 in words is "one hundred twenty-six billion, three hundred thirty-eight million, one hundred twenty-six thousand, three hundred thirty-eight".