519138514 has 4 divisors (see below), whose sum is σ = 778707774. Its totient is φ = 259569256.

The previous prime is 519138511. The next prime is 519138553. The reversal of 519138514 is 415831915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415831915 = 5 ⋅83166383.

It can be written as a sum of positive squares in only one way, i.e., 458687889 + 60450625 = 21417^2 + 7775^2 .

It is not an unprimeable number, because it can be changed into a prime (519138511) 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 as a sum of consecutive naturals, namely, 129784627 + ... + 129784630.

Almost surely, 2^519138514 is an apocalyptic number.

519138514 is a deficient number, since it is larger than the sum of its proper divisors (259569260).

519138514 is a wasteful number, since it uses less digits than its factorization.

519138514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259569259.

The product of its digits is 21600, while the sum is 37.

The square root of 519138514 is about 22784.6113418684. The cubic root of 519138514 is about 803.7008294687.

The spelling of 519138514 in words is "five hundred nineteen million, one hundred thirty-eight thousand, five hundred fourteen".