513048140 has 48 divisors (see below), whose sum is σ = 1213277184. Its totient is φ = 180542400.

The previous prime is 513048091. The next prime is 513048163. The reversal of 513048140 is 41840315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30794 + ... + 44433.

It is an arithmetic number, because the mean of its divisors is an integer number (25276608).

Almost surely, 2^513048140 is an apocalyptic number.

It is an amenable number.

513048140 is an abundant number, since it is smaller than the sum of its proper divisors (700229044).

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

513048140 is a wasteful number, since it uses less digits than its factorization.

513048140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75278 (or 75276 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 513048140 is about 22650.5659973432. The cubic root of 513048140 is about 800.5455341560.

Adding to 513048140 its reverse (41840315), we get a palindrome (554888455).

The spelling of 513048140 in words is "five hundred thirteen million, forty-eight thousand, one hundred forty".