513740738 has 32 divisors (see below), whose sum is σ = 905347584. Its totient is φ = 214074432.

The previous prime is 513740707. The next prime is 513740741. The reversal of 513740738 is 837047315.

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, 100820 + ... + 105792.

It is an arithmetic number, because the mean of its divisors is an integer number (28292112).

Almost surely, 2^513740738 is an apocalyptic number.

513740738 is a deficient number, since it is larger than the sum of its proper divisors (391606846).

513740738 is a wasteful number, since it uses less digits than its factorization.

513740738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 513740738 is about 22665.8495980186. The cubic root of 513740738 is about 800.9056088290.

The spelling of 513740738 in words is "five hundred thirteen million, seven hundred forty thousand, seven hundred thirty-eight".