138005383 has 2 divisors, whose sum is σ = 138005384. Its totient is φ = 138005382.

The previous prime is 138005381. The next prime is 138005423. The reversal of 138005383 is 383500831.

138005383 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 138005383 - 2¹ = 138005381 is a prime.

Together with 138005381, 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 (138005381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69002691 + 69002692.

It is an arithmetic number, because the mean of its divisors is an integer number (69002692).

Almost surely, 2^138005383 is an apocalyptic number.

138005383 is a deficient number, since it is larger than the sum of its proper divisors (1).

138005383 is an equidigital number, since it uses as much as digits as its factorization.

138005383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 138005383 is about 11747.5692379317. The cubic root of 138005383 is about 516.7716443413.

The spelling of 138005383 in words is "one hundred thirty-eight million, five thousand, three hundred eighty-three".