1316133806 has 24 divisors (see below), whose sum is σ = 2141547984. Its totient is φ = 606365760.

The previous prime is 1316133803. The next prime is 1316133817. The reversal of 1316133806 is 6083316131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316133803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205391 + ... + 211701.

It is an arithmetic number, because the mean of its divisors is an integer number (89231166).

Almost surely, 2^1316133806 is an apocalyptic number.

1316133806 is a deficient number, since it is larger than the sum of its proper divisors (825414178).

1316133806 is a wasteful number, since it uses less digits than its factorization.

1316133806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956 (or 6943 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1316133806 is about 36278.5584884515. The cubic root of 1316133806 is about 1095.8892871055.

Adding to 1316133806 its reverse (6083316131), we get a palindrome (7399449937).

The spelling of 1316133806 in words is "one billion, three hundred sixteen million, one hundred thirty-three thousand, eight hundred six".