138266113 has 8 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 130392528.

The previous prime is 138266099. The next prime is 138266119. The reversal of 138266113 is 311662831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138266113 - 2²⁵ = 104711681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138266119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54193 + ... + 56686.

It is an arithmetic number, because the mean of its divisors is an integer number (18295200).

Almost surely, 2^138266113 is an apocalyptic number.

It is an amenable number.

138266113 is a deficient number, since it is larger than the sum of its proper divisors (8095487).

138266113 is a wasteful number, since it uses less digits than its factorization.

138266113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110951.

The product of its digits is 5184, while the sum is 31.

The square root of 138266113 is about 11758.6611907989. The cubic root of 138266113 is about 517.0968807067.

The spelling of 138266113 in words is "one hundred thirty-eight million, two hundred sixty-six thousand, one hundred thirteen".