138264445051 has 2 divisors, whose sum is σ = 138264445052. Its totient is φ = 138264445050.

The previous prime is 138264445043. The next prime is 138264445063. The reversal of 138264445051 is 150544462831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138264445051 - 2³ = 138264445043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138264444989 and 138264445007.

It is not a weakly prime, because it can be changed into another prime (138264445091) 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 as a sum of consecutive naturals, namely, 69132222525 + 69132222526.

It is an arithmetic number, because the mean of its divisors is an integer number (69132222526).

Almost surely, 2^138264445051 is an apocalyptic number.

138264445051 is a deficient number, since it is larger than the sum of its proper divisors (1).

138264445051 is an equidigital number, since it uses as much as digits as its factorization.

138264445051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 138264445051 in words is "one hundred thirty-eight billion, two hundred sixty-four million, four hundred forty-five thousand, fifty-one".