1339138903 has 2 divisors, whose sum is σ = 1339138904. Its totient is φ = 1339138902.

The previous prime is 1339138883. The next prime is 1339138951. The reversal of 1339138903 is 3098319331.

It is a weak prime.

It is an emirp because it is prime and its reverse (3098319331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1339138903 - 2¹³ = 1339130711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1339138963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669569451 + 669569452.

It is an arithmetic number, because the mean of its divisors is an integer number (669569452).

Almost surely, 2^1339138903 is an apocalyptic number.

1339138903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339138903 is an equidigital number, since it uses as much as digits as its factorization.

1339138903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 1339138903 is about 36594.2468565757. The cubic root of 1339138903 is about 1102.2375673998.

The spelling of 1339138903 in words is "one billion, three hundred thirty-nine million, one hundred thirty-eight thousand, nine hundred three".