514139 has 4 divisors (see below), whose sum is σ = 521256. Its totient is φ = 507024.

The previous prime is 514127. The next prime is 514147. The reversal of 514139 is 931415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931415 = 5 ⋅186283.

It is a cyclic number.

It is not a de Polignac number, because 514139 - 2⁴ = 514123 is a prime.

It is a super-2 number, since 2×514139² = 528677822642, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 514139.

It is not an unprimeable number, because it can be changed into a prime (514639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3449 + ... + 3594.

It is an arithmetic number, because the mean of its divisors is an integer number (130314).

2⁵¹⁴¹³⁹ is an apocalyptic number.

514139 is a deficient number, since it is larger than the sum of its proper divisors (7117).

514139 is an equidigital number, since it uses as much as digits as its factorization.

514139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116.

The product of its digits is 540, while the sum is 23.

The square root of 514139 is about 717.0348666557. The cubic root of 514139 is about 80.1112514672. Note that the first 3 decimals are identical.

The spelling of 514139 in words is "five hundred fourteen thousand, one hundred thirty-nine".