138301303 has 4 divisors (see below), whose sum is σ = 158058640. Its totient is φ = 118543968.

The previous prime is 138301297. The next prime is 138301357. The reversal of 138301303 is 303103831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303103831 = 167 ⋅1814993.

It is a cyclic number.

It is not a de Polignac number, because 138301303 - 2¹⁷ = 138170231 is a prime.

It is a super-2 number, since 2×138301303² = 38254500822995618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138301393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9878658 + ... + 9878671.

It is an arithmetic number, because the mean of its divisors is an integer number (39514660).

Almost surely, 2^138301303 is an apocalyptic number.

138301303 is a deficient number, since it is larger than the sum of its proper divisors (19757337).

138301303 is an equidigital number, since it uses as much as digits as its factorization.

138301303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19757336.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 138301303 is about 11760.1574394223. The cubic root of 138301303 is about 517.1407456261.

The spelling of 138301303 in words is "one hundred thirty-eight million, three hundred one thousand, three hundred three".