513136394 has 8 divisors (see below), whose sum is σ = 803170080. Its totient is φ = 245413036.

The previous prime is 513136373. The next prime is 513136409. The reversal of 513136394 is 493631315.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5577524 + ... + 5577615.

It is an arithmetic number, because the mean of its divisors is an integer number (100396260).

Almost surely, 2^513136394 is an apocalyptic number.

513136394 is a deficient number, since it is larger than the sum of its proper divisors (290033686).

513136394 is a wasteful number, since it uses less digits than its factorization.

513136394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155164.

The product of its digits is 29160, while the sum is 35.

The square root of 513136394 is about 22652.5140768083. The cubic root of 513136394 is about 800.5914345238.

The spelling of 513136394 in words is "five hundred thirteen million, one hundred thirty-six thousand, three hundred ninety-four".