138161151829 has 2 divisors, whose sum is σ = 138161151830. Its totient is φ = 138161151828.

The previous prime is 138161151767. The next prime is 138161151899. The reversal of 138161151829 is 928151161831.

138161151829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108198234225 + 29962917604 = 328935^2 + 173098^2 .

It is a cyclic number.

It is not a de Polignac number, because 138161151829 - 2¹⁹ = 138160627541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138161151899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69080575914 + 69080575915.

It is an arithmetic number, because the mean of its divisors is an integer number (69080575915).

Almost surely, 2^138161151829 is an apocalyptic number.

It is an amenable number.

138161151829 is a deficient number, since it is larger than the sum of its proper divisors (1).

138161151829 is an equidigital number, since it uses as much as digits as its factorization.

138161151829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 46.

The spelling of 138161151829 in words is "one hundred thirty-eight billion, one hundred sixty-one million, one hundred fifty-one thousand, eight hundred twenty-nine".