138914 has 4 divisors (see below), whose sum is σ = 208374. Its totient is φ = 69456.

The previous prime is 138899. The next prime is 138917. The reversal of 138914 is 419831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134689 + 4225 = 367^2 + 65^2 .

It is a Curzon number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (138917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34727 + ... + 34730.

2¹³⁸⁹¹⁴ is an apocalyptic number.

138914 is a deficient number, since it is larger than the sum of its proper divisors (69460).

138914 is an equidigital number, since it uses as much as digits as its factorization.

138914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69459.

The product of its digits is 864, while the sum is 26.

The square root of 138914 is about 372.7116848182. The cubic root of 138914 is about 51.7903292869.

The spelling of 138914 in words is "one hundred thirty-eight thousand, nine hundred fourteen".