138220483 has 2 divisors, whose sum is σ = 138220484. Its totient is φ = 138220482.

The previous prime is 138220367. The next prime is 138220513. The reversal of 138220483 is 384022831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138220483 - 2⁹ = 138219971 is a prime.

It is not a weakly prime, because it can be changed into another prime (138220283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69110241 + 69110242.

It is an arithmetic number, because the mean of its divisors is an integer number (69110242).

Almost surely, 2^138220483 is an apocalyptic number.

138220483 is a deficient number, since it is larger than the sum of its proper divisors (1).

138220483 is an equidigital number, since it uses as much as digits as its factorization.

138220483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 138220483 is about 11756.7207587830. The cubic root of 138220483 is about 517.0399910701.

The spelling of 138220483 in words is "one hundred thirty-eight million, two hundred twenty thousand, four hundred eighty-three".