138014841541 has 2 divisors, whose sum is σ = 138014841542. Its totient is φ = 138014841540.

The previous prime is 138014841529. The next prime is 138014841571. The reversal of 138014841541 is 145148410831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82869712641 + 55145128900 = 287871^2 + 234830^2 .

It is a cyclic number.

It is not a de Polignac number, because 138014841541 - 2³⁵ = 103655103173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138014841494 and 138014841503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138014841521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69007420770 + 69007420771.

It is an arithmetic number, because the mean of its divisors is an integer number (69007420771).

Almost surely, 2^138014841541 is an apocalyptic number.

It is an amenable number.

138014841541 is a deficient number, since it is larger than the sum of its proper divisors (1).

138014841541 is an equidigital number, since it uses as much as digits as its factorization.

138014841541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 138014841541 in words is "one hundred thirty-eight billion, fourteen million, eight hundred forty-one thousand, five hundred forty-one".