1316771828 has 12 divisors (see below), whose sum is σ = 2310433440. Its totient is φ = 656647992.

The previous prime is 1316771809. The next prime is 1316771861. The reversal of 1316771828 is 8281776131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432776 + ... + 435807.

It is an arithmetic number, because the mean of its divisors is an integer number (192536120).

Almost surely, 2^1316771828 is an apocalyptic number.

It is an amenable number.

1316771828 is a deficient number, since it is larger than the sum of its proper divisors (993661612).

1316771828 is a wasteful number, since it uses less digits than its factorization.

1316771828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868966 (or 868964 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 1316771828 is about 36287.3507988665. The cubic root of 1316771828 is about 1096.0663431966.

The spelling of 1316771828 in words is "one billion, three hundred sixteen million, seven hundred seventy-one thousand, eight hundred twenty-eight".