138104480029 has 2 divisors, whose sum is σ = 138104480030. Its totient is φ = 138104480028.

The previous prime is 138104480027. The next prime is 138104480083. The reversal of 138104480029 is 920084401831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83652257529 + 54452222500 = 289227^2 + 233350^2 .

It is a cyclic number.

It is not a de Polignac number, because 138104480029 - 2¹ = 138104480027 is a prime.

Together with 138104480027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 138104479973 and 138104480000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138104480027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69052240014 + 69052240015.

It is an arithmetic number, because the mean of its divisors is an integer number (69052240015).

Almost surely, 2^138104480029 is an apocalyptic number.

It is an amenable number.

138104480029 is a deficient number, since it is larger than the sum of its proper divisors (1).

138104480029 is an equidigital number, since it uses as much as digits as its factorization.

138104480029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 138104480029 in words is "one hundred thirty-eight billion, one hundred four million, four hundred eighty thousand, twenty-nine".