126982115138 has 8 divisors (see below), whose sum is σ = 190756195788. Its totient is φ = 63396716544.

The previous prime is 126982115129. The next prime is 126982115177. The reversal of 126982115138 is 831511289621.

It is a happy number.

126982115138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 126598621249 + 383493889 = 355807^2 + 19583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126982115138² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126982115092 and 126982115101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47168831 + ... + 47171522.

Almost surely, 2^126982115138 is an apocalyptic number.

126982115138 is a deficient number, since it is larger than the sum of its proper divisors (63774080650).

126982115138 is an equidigital number, since it uses as much as digits as its factorization.

126982115138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94341028.

The product of its digits is 207360, while the sum is 47.

The spelling of 126982115138 in words is "one hundred twenty-six billion, nine hundred eighty-two million, one hundred fifteen thousand, one hundred thirty-eight".