138914183 has 4 divisors (see below), whose sum is σ = 139000680. Its totient is φ = 138827688.

The previous prime is 138914179. The next prime is 138914201. The reversal of 138914183 is 381419831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 381419831 = 13 ⋅29339987.

It is a cyclic number.

It is not a de Polignac number, because 138914183 - 2² = 138914179 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138514183) 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 3 ways as a sum of consecutive naturals, for example, 40793 + ... + 44066.

It is an arithmetic number, because the mean of its divisors is an integer number (34750170).

Almost surely, 2^138914183 is an apocalyptic number.

138914183 is a deficient number, since it is larger than the sum of its proper divisors (86497).

138914183 is an equidigital number, since it uses as much as digits as its factorization.

138914183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86496.

The product of its digits is 20736, while the sum is 38.

The square root of 138914183 is about 11786.1861091703. The cubic root of 138914183 is about 517.9035202911.

The spelling of 138914183 in words is "one hundred thirty-eight million, nine hundred fourteen thousand, one hundred eighty-three".