1316513642 has 8 divisors (see below), whose sum is σ = 2038472832. Its totient is φ = 637022700.

The previous prime is 1316513641. The next prime is 1316513647. The reversal of 1316513642 is 2463156131.

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 = 1316513599 and 1316513608.

It is not an unprimeable number, because it can be changed into a prime (1316513641) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10616984 + ... + 10617107.

It is an arithmetic number, because the mean of its divisors is an integer number (254809104).

Almost surely, 2^1316513642 is an apocalyptic number.

1316513642 is a deficient number, since it is larger than the sum of its proper divisors (721959190).

1316513642 is a wasteful number, since it uses less digits than its factorization.

1316513642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21234124.

The product of its digits is 12960, while the sum is 32.

The square root of 1316513642 is about 36283.7931038088. The cubic root of 1316513642 is about 1095.9947014547.

Adding to 1316513642 its reverse (2463156131), we get a palindrome (3779669773).

The spelling of 1316513642 in words is "one billion, three hundred sixteen million, five hundred thirteen thousand, six hundred forty-two".