138480359 has 2 divisors, whose sum is σ = 138480360. Its totient is φ = 138480358.

The previous prime is 138480347. The next prime is 138480367. The reversal of 138480359 is 953084831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138480359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138482359) 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, 69240179 + 69240180.

It is an arithmetic number, because the mean of its divisors is an integer number (69240180).

Almost surely, 2^138480359 is an apocalyptic number.

138480359 is a deficient number, since it is larger than the sum of its proper divisors (1).

138480359 is an equidigital number, since it uses as much as digits as its factorization.

138480359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 138480359 is about 11767.7678002245. The cubic root of 138480359 is about 517.3638267271.

The spelling of 138480359 in words is "one hundred thirty-eight million, four hundred eighty thousand, three hundred fifty-nine".