138300105 has 16 divisors (see below), whose sum is σ = 221915520. Its totient is φ = 73548288.

The previous prime is 138300103. The next prime is 138300137. The reversal of 138300105 is 501003831.

It is a happy number.

It is not a de Polignac number, because 138300105 - 2¹ = 138300103 is a prime.

It is a super-2 number, since 2×138300105² = 38253838086022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138300103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7765 + ... + 18354.

It is an arithmetic number, because the mean of its divisors is an integer number (13869720).

Almost surely, 2^138300105 is an apocalyptic number.

138300105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138300105 is a deficient number, since it is larger than the sum of its proper divisors (83615415).

138300105 is a wasteful number, since it uses less digits than its factorization.

138300105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26480.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 138300105 is about 11760.1065046198. The cubic root of 138300105 is about 517.1392524215.

Adding to 138300105 its reverse (501003831), we get a palindrome (639303936).

The spelling of 138300105 in words is "one hundred thirty-eight million, three hundred thousand, one hundred five".