138303027 has 12 divisors (see below), whose sum is σ = 201045520. Its totient is φ = 91613808.

The previous prime is 138302977. The next prime is 138303029. The reversal of 138303027 is 720303831.

138303027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138303027 - 2⁸ = 138302771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138303029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47527 + ... + 50352.

Almost surely, 2^138303027 is an apocalyptic number.

138303027 is a deficient number, since it is larger than the sum of its proper divisors (62742493).

138303027 is a wasteful number, since it uses less digits than its factorization.

138303027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98042 (or 98039 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 138303027 is about 11760.2307375323. The cubic root of 138303027 is about 517.1428944295.

Adding to 138303027 its reverse (720303831), we get a palindrome (858606858).

The spelling of 138303027 in words is "one hundred thirty-eight million, three hundred three thousand, twenty-seven".