138054088829 has 2 divisors, whose sum is σ = 138054088830. Its totient is φ = 138054088828.

The previous prime is 138054088817. The next prime is 138054088853. The reversal of 138054088829 is 928880450831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122503500025 + 15550588804 = 350005^2 + 124702^2 .

It is a cyclic number.

It is not a de Polignac number, because 138054088829 - 2⁸ = 138054088573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138054088129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69027044414 + 69027044415.

It is an arithmetic number, because the mean of its divisors is an integer number (69027044415).

Almost surely, 2^138054088829 is an apocalyptic number.

It is an amenable number.

138054088829 is a deficient number, since it is larger than the sum of its proper divisors (1).

138054088829 is an equidigital number, since it uses as much as digits as its factorization.

138054088829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 138054088829 in words is "one hundred thirty-eight billion, fifty-four million, eighty-eight thousand, eight hundred twenty-nine".