138108035 has 16 divisors (see below), whose sum is σ = 180067104. Its totient is φ = 101079552.

The previous prime is 138108023. The next prime is 138108053. The reversal of 138108035 is 530801831.

It is a cyclic number.

It is not a de Polignac number, because 138108035 - 2¹⁸ = 137845891 is a prime.

It is a super-2 number, since 2×138108035² = 38147658663122450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138107989 and 138108007.

It is an unprimeable number.

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, 2057 + ... + 16746.

It is an arithmetic number, because the mean of its divisors is an integer number (11254194).

Almost surely, 2^138108035 is an apocalyptic number.

138108035 is a deficient number, since it is larger than the sum of its proper divisors (41959069).

138108035 is a wasteful number, since it uses less digits than its factorization.

138108035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18934.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 138108035 is about 11751.9374998338. The cubic root of 138108035 is about 516.8997419907.

Adding to 138108035 its reverse (530801831), we get a palindrome (668909866).

The spelling of 138108035 in words is "one hundred thirty-eight million, one hundred eight thousand, thirty-five".