138264441043 has 2 divisors, whose sum is σ = 138264441044. Its totient is φ = 138264441042.

The previous prime is 138264441023. The next prime is 138264441061. The reversal of 138264441043 is 340144462831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138264441043 - 2⁵ = 138264441011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138264440987 and 138264441005.

It is not a weakly prime, because it can be changed into another prime (138264441013) 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 as a sum of consecutive naturals, namely, 69132220521 + 69132220522.

It is an arithmetic number, because the mean of its divisors is an integer number (69132220522).

Almost surely, 2^138264441043 is an apocalyptic number.

138264441043 is a deficient number, since it is larger than the sum of its proper divisors (1).

138264441043 is an equidigital number, since it uses as much as digits as its factorization.

138264441043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 138264441043 in words is "one hundred thirty-eight billion, two hundred sixty-four million, four hundred forty-one thousand, forty-three".