138227303 has 4 divisors (see below), whose sum is σ = 138548448. Its totient is φ = 137906160.

The previous prime is 138227293. The next prime is 138227317. The reversal of 138227303 is 303722831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303722831 = 691 ⋅439541.

It is a cyclic number.

It is not a de Polignac number, because 138227303 - 2²² = 134032999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138227003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159926 + ... + 160787.

It is an arithmetic number, because the mean of its divisors is an integer number (34637112).

Almost surely, 2^138227303 is an apocalyptic number.

138227303 is a deficient number, since it is larger than the sum of its proper divisors (321145).

138227303 is an equidigital number, since it uses as much as digits as its factorization.

138227303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321144.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 138227303 is about 11757.0108020704. The cubic root of 138227303 is about 517.0484947658.

The spelling of 138227303 in words is "one hundred thirty-eight million, two hundred twenty-seven thousand, three hundred three".