138114671 has 4 divisors (see below), whose sum is σ = 140176152. Its totient is φ = 136053192.

The previous prime is 138114649. The next prime is 138114677. The reversal of 138114671 is 176411831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176411831 = 181 ⋅974651.

It is a cyclic number.

It is not a de Polignac number, because 138114671 - 2¹⁴ = 138098287 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 (138114677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030640 + ... + 1030773.

It is an arithmetic number, because the mean of its divisors is an integer number (35044038).

Almost surely, 2^138114671 is an apocalyptic number.

138114671 is a deficient number, since it is larger than the sum of its proper divisors (2061481).

138114671 is an equidigital number, since it uses as much as digits as its factorization.

138114671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061480.

The product of its digits is 4032, while the sum is 32.

The square root of 138114671 is about 11752.2198328656. The cubic root of 138114671 is about 516.9080207554.

The spelling of 138114671 in words is "one hundred thirty-eight million, one hundred fourteen thousand, six hundred seventy-one".