512140 has 24 divisors (see below), whose sum is σ = 1113840. Its totient is φ = 197568.

The previous prime is 512137. The next prime is 512147. The reversal of 512140 is 41215.

512140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 512140.

It is not an unprimeable number, because it can be changed into a prime (512147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (46410).

2⁵¹²¹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556920).

512140 is an abundant number, since it is smaller than the sum of its proper divisors (601700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512140 is a wasteful number, since it uses less digits than its factorization.

512140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 512140 is about 715.6395740874. The cubic root of 512140 is about 80.0072910022.

Adding to 512140 its reverse (41215), we get a palindrome (553355).

The spelling of 512140 in words is "five hundred twelve thousand, one hundred forty".