1313635234 has 8 divisors (see below), whose sum is σ = 1970991900. Its totient is φ = 656637936.

The previous prime is 1313635187. The next prime is 1313635241. The reversal of 1313635234 is 4325363131.

It can be written as a sum of positive squares in 2 ways, for example, as 1172857009 + 140778225 = 34247^2 + 11865^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1313635196 and 1313635205.

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, 80509 + ... + 95440.

Almost surely, 2^1313635234 is an apocalyptic number.

1313635234 is a deficient number, since it is larger than the sum of its proper divisors (657356666).

1313635234 is a wasteful number, since it uses less digits than its factorization.

1313635234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179684.

The product of its digits is 19440, while the sum is 31.

The square root of 1313635234 is about 36244.1061967322. The cubic root of 1313635234 is about 1095.1953625141.

Adding to 1313635234 its reverse (4325363131), we get a palindrome (5638998365).

The spelling of 1313635234 in words is "one billion, three hundred thirteen million, six hundred thirty-five thousand, two hundred thirty-four".