1313284642 has 8 divisors (see below), whose sum is σ = 1973529936. Its totient is φ = 655441332.

The previous prime is 1313284639. The next prime is 1313284729. The reversal of 1313284642 is 2464823131.

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 = 1313284598 and 1313284607.

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, 599128 + ... + 601315.

It is an arithmetic number, because the mean of its divisors is an integer number (246691242).

Almost surely, 2^1313284642 is an apocalyptic number.

1313284642 is a deficient number, since it is larger than the sum of its proper divisors (660245294).

1313284642 is a wasteful number, since it uses less digits than its factorization.

1313284642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200992.

The product of its digits is 27648, while the sum is 34.

The square root of 1313284642 is about 36239.2693359014. The cubic root of 1313284642 is about 1095.0979227566.

The spelling of 1313284642 in words is "one billion, three hundred thirteen million, two hundred eighty-four thousand, six hundred forty-two".