1313803628 has 12 divisors (see below), whose sum is σ = 2304082872. Its totient is φ = 655494240.

The previous prime is 1313803619. The next prime is 1313803651. The reversal of 1313803628 is 8263083131.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 349793 + ... + 353528.

It is an arithmetic number, because the mean of its divisors is an integer number (192006906).

Almost surely, 2^1313803628 is an apocalyptic number.

It is an amenable number.

1313803628 is a deficient number, since it is larger than the sum of its proper divisors (990279244).

1313803628 is a wasteful number, since it uses less digits than its factorization.

1313803628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703792 (or 703790 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1313803628 is about 36246.4291758512. The cubic root of 1313803628 is about 1095.2421579622.

Adding to 1313803628 its reverse (8263083131), we get a palindrome (9576886759).

The spelling of 1313803628 in words is "one billion, three hundred thirteen million, eight hundred three thousand, six hundred twenty-eight".