138113135 has 16 divisors (see below), whose sum is σ = 167878656. Its totient is φ = 109071648.

The previous prime is 138113111. The next prime is 138113141. The reversal of 138113135 is 531311831.

It is a cyclic number.

It is not a de Polignac number, because 138113135 - 2¹² = 138109039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166592 + ... + 167418.

It is an arithmetic number, because the mean of its divisors is an integer number (10492416).

Almost surely, 2^138113135 is an apocalyptic number.

138113135 is a deficient number, since it is larger than the sum of its proper divisors (29765521).

138113135 is a wasteful number, since it uses less digits than its factorization.

138113135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its digits is 1080, while the sum is 26.

The square root of 138113135 is about 11752.1544833277. The cubic root of 138113135 is about 516.9061045369.

Adding to 138113135 its reverse (531311831), we get a palindrome (669424966).

The spelling of 138113135 in words is "one hundred thirty-eight million, one hundred thirteen thousand, one hundred thirty-five".