514504140 has 24 divisors (see below), whose sum is σ = 1440611760. Its totient is φ = 137201088.

The previous prime is 514504139. The next prime is 514504141. The reversal of 514504140 is 41405415.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (514504139) and next prime (514504141).

It is a self number, because there is not a number n which added to its sum of digits gives 514504140.

It is not an unprimeable number, because it can be changed into a prime (514504141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4287475 + ... + 4287594.

It is an arithmetic number, because the mean of its divisors is an integer number (60025490).

Almost surely, 2^514504140 is an apocalyptic number.

It is an amenable number.

514504140 is an abundant number, since it is smaller than the sum of its proper divisors (926107620).

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

514504140 is a wasteful number, since it uses less digits than its factorization.

514504140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575081 (or 8575079 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 514504140 is about 22682.6837036538. The cubic root of 514504140 is about 801.3021190410.

Adding to 514504140 its reverse (41405415), we get a palindrome (555909555).

The spelling of 514504140 in words is "five hundred fourteen million, five hundred four thousand, one hundred forty".