513748140 has 48 divisors (see below), whose sum is σ = 1444135392. Its totient is φ = 136462336.

The previous prime is 513748111. The next prime is 513748189. The reversal of 513748140 is 41847315.

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 15 ways as a sum of consecutive naturals, for example, 1239 + ... + 32078.

It is an arithmetic number, because the mean of its divisors is an integer number (30086154).

Almost surely, 2^513748140 is an apocalyptic number.

It is an amenable number.

513748140 is an abundant number, since it is smaller than the sum of its proper divisors (930387252).

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

513748140 is a wasteful number, since it uses less digits than its factorization.

513748140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33586 (or 33584 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 513748140 is about 22666.0128827282. The cubic root of 513748140 is about 800.9094553054.

The spelling of 513748140 in words is "five hundred thirteen million, seven hundred forty-eight thousand, one hundred forty".