513840074 has 8 divisors (see below), whose sum is σ = 840829248. Its totient is φ = 233563660.

The previous prime is 513840073. The next prime is 513840121. The reversal of 513840074 is 470048315.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 513840074.

It is not an unprimeable number, because it can be changed into a prime (513840073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11678162 + ... + 11678205.

It is an arithmetic number, because the mean of its divisors is an integer number (105103656).

Almost surely, 2^513840074 is an apocalyptic number.

513840074 is a deficient number, since it is larger than the sum of its proper divisors (326989174).

513840074 is a wasteful number, since it uses less digits than its factorization.

513840074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356380.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 513840074 is about 22668.0408063864. The cubic root of 513840074 is about 800.9572260660.

Adding to 513840074 its reverse (470048315), we get a palindrome (983888389).

The spelling of 513840074 in words is "five hundred thirteen million, eight hundred forty thousand, seventy-four".