138264445126 has 4 divisors (see below), whose sum is σ = 207396667692. Its totient is φ = 69132222562.

The previous prime is 138264445117. The next prime is 138264445139. The reversal of 138264445126 is 621544462831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34566111280 + ... + 34566111283.

It is an arithmetic number, because the mean of its divisors is an integer number (51849166923).

Almost surely, 2^138264445126 is an apocalyptic number.

138264445126 is a deficient number, since it is larger than the sum of its proper divisors (69132222566).

138264445126 is an equidigital number, since it uses as much as digits as its factorization.

138264445126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69132222565.

The product of its digits is 1105920, while the sum is 46.

The spelling of 138264445126 in words is "one hundred thirty-eight billion, two hundred sixty-four million, four hundred forty-five thousand, one hundred twenty-six".