138108014 has 16 divisors (see below), whose sum is σ = 228072240. Its totient is φ = 62199360.

The previous prime is 138107999. The next prime is 138108023. The reversal of 138108014 is 410801831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26399 + ... + 31194.

It is an arithmetic number, because the mean of its divisors is an integer number (14254515).

Almost surely, 2^138108014 is an apocalyptic number.

138108014 is a deficient number, since it is larger than the sum of its proper divisors (89964226).

138108014 is a wasteful number, since it uses less digits than its factorization.

138108014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57715.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 138108014 is about 11751.9366063641. The cubic root of 138108014 is about 516.8997157917.

Adding to 138108014 its reverse (410801831), we get a palindrome (548909845).

The spelling of 138108014 in words is "one hundred thirty-eight million, one hundred eight thousand, fourteen".