139903363 has 2 divisors, whose sum is σ = 139903364. Its totient is φ = 139903362.

The previous prime is 139903343. The next prime is 139903367. The reversal of 139903363 is 363309931.

It is a strong prime.

It is an emirp because it is prime and its reverse (363309931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139903363 - 2⁵ = 139903331 is a prime.

It is not a weakly prime, because it can be changed into another prime (139903367) 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, 69951681 + 69951682.

It is an arithmetic number, because the mean of its divisors is an integer number (69951682).

Almost surely, 2^139903363 is an apocalyptic number.

139903363 is a deficient number, since it is larger than the sum of its proper divisors (1).

139903363 is an equidigital number, since it uses as much as digits as its factorization.

139903363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 37.

The square root of 139903363 is about 11828.0752026693. The cubic root of 139903363 is about 519.1299095775.

The spelling of 139903363 in words is "one hundred thirty-nine million, nine hundred three thousand, three hundred sixty-three".