126386582338 has 4 divisors (see below), whose sum is σ = 189579873510. Its totient is φ = 63193291168.

The previous prime is 126386582327. The next prime is 126386582359. The reversal of 126386582338 is 833285683621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833285683621 = 226307 ⋅3682103.

It can be written as a sum of positive squares in only one way, i.e., 112343621329 + 14042961009 = 335177^2 + 118503^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31596645583 + ... + 31596645586.

Almost surely, 2^126386582338 is an apocalyptic number.

126386582338 is a deficient number, since it is larger than the sum of its proper divisors (63193291172).

126386582338 is an equidigital number, since it uses as much as digits as its factorization.

126386582338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63193291171.

The product of its digits is 9953280, while the sum is 55.

The spelling of 126386582338 in words is "one hundred twenty-six billion, three hundred eighty-six million, five hundred eighty-two thousand, three hundred thirty-eight".