513920018 has 8 divisors (see below), whose sum is σ = 811452720. Its totient is φ = 243435780.

The previous prime is 513920003. The next prime is 513920041. The reversal of 513920018 is 810029315.

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

It is a super-2 number, since 2×513920018² = 528227569802240648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6762068 + ... + 6762143.

It is an arithmetic number, because the mean of its divisors is an integer number (101431590).

Almost surely, 2^513920018 is an apocalyptic number.

513920018 is a deficient number, since it is larger than the sum of its proper divisors (297532702).

513920018 is a wasteful number, since it uses less digits than its factorization.

513920018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13524232.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 513920018 is about 22669.8041014915. The cubic root of 513920018 is about 800.9987619493.

The spelling of 513920018 in words is "five hundred thirteen million, nine hundred twenty thousand, eighteen".