510139 has 12 divisors (see below), whose sum is σ = 615600. Its totient is φ = 421008.

The previous prime is 510137. The next prime is 510157. The reversal of 510139 is 931015.

It is not a de Polignac number, because 510139 - 2¹ = 510137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (510137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1242 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (51300).

2⁵¹⁰¹³⁹ is an apocalyptic number.

510139 is a deficient number, since it is larger than the sum of its proper divisors (105461).

510139 is a wasteful number, since it uses less digits than its factorization.

510139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 510139 is about 714.2401556899. The cubic root of 510139 is about 79.9029552432.

The spelling of 510139 in words is "five hundred ten thousand, one hundred thirty-nine".