138546383 has 2 divisors, whose sum is σ = 138546384. Its totient is φ = 138546382.

The previous prime is 138546371. The next prime is 138546391. The reversal of 138546383 is 383645831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138546383 - 2¹⁴ = 138529999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138546383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138546323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69273191 + 69273192.

It is an arithmetic number, because the mean of its divisors is an integer number (69273192).

Almost surely, 2^138546383 is an apocalyptic number.

138546383 is a deficient number, since it is larger than the sum of its proper divisors (1).

138546383 is an equidigital number, since it uses as much as digits as its factorization.

138546383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 138546383 is about 11770.5727558178. The cubic root of 138546383 is about 517.4460357430.

The spelling of 138546383 in words is "one hundred thirty-eight million, five hundred forty-six thousand, three hundred eighty-three".