138473119 has 2 divisors, whose sum is σ = 138473120. Its totient is φ = 138473118.

The previous prime is 138473117. The next prime is 138473149. The reversal of 138473119 is 911374831.

138473119 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 is a cyclic number.

It is not a de Polignac number, because 138473119 - 2¹ = 138473117 is a prime.

It is a super-2 number, since 2×138473119² = 38349609371176322, which contains 22 as substring.

Together with 138473117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138473117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69236559 + 69236560.

It is an arithmetic number, because the mean of its divisors is an integer number (69236560).

Almost surely, 2^138473119 is an apocalyptic number.

138473119 is a deficient number, since it is larger than the sum of its proper divisors (1).

138473119 is an equidigital number, since it uses as much as digits as its factorization.

138473119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 138473119 is about 11767.4601762657. The cubic root of 138473119 is about 517.3548103356.

The spelling of 138473119 in words is "one hundred thirty-eight million, four hundred seventy-three thousand, one hundred nineteen".