513140554 has 8 divisors (see below), whose sum is σ = 770535108. Its totient is φ = 256295520.

The previous prime is 513140549. The next prime is 513140623. The reversal of 513140554 is 455041315.

It can be written as a sum of positive squares in 2 ways, for example, as 341399529 + 171741025 = 18477^2 + 13105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 135037 + ... + 138784.

Almost surely, 2^513140554 is an apocalyptic number.

513140554 is a deficient number, since it is larger than the sum of its proper divisors (257394554).

513140554 is a wasteful number, since it uses less digits than its factorization.

513140554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274760.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 513140554 is about 22652.6058986599. The cubic root of 513140554 is about 800.5935979845.

Adding to 513140554 its reverse (455041315), we get a palindrome (968181869).

The spelling of 513140554 in words is "five hundred thirteen million, one hundred forty thousand, five hundred fifty-four".