138514 has 4 divisors (see below), whose sum is σ = 207774. Its totient is φ = 69256.

The previous prime is 138511. The next prime is 138517. The reversal of 138514 is 415831.

138514 is nontrivially palindromic in base 16.

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

It is an interprime number because it is at equal distance from previous prime (138511) and next prime (138517).

It can be written as a sum of positive squares in only one way, i.e., 100489 + 38025 = 317^2 + 195^2 .

It is a super-2 number, since 2×138514² = 38372256392, which contains 22 as substring.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (138511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34627 + ... + 34630.

2¹³⁸⁵¹⁴ is an apocalyptic number.

138514 is a deficient number, since it is larger than the sum of its proper divisors (69260).

138514 is an equidigital number, since it uses as much as digits as its factorization.

138514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69259.

The product of its digits is 480, while the sum is 22.

The square root of 138514 is about 372.1746901658. The cubic root of 138514 is about 51.7405717691.

The spelling of 138514 in words is "one hundred thirty-eight thousand, five hundred fourteen".