1316056305 has 16 divisors (see below), whose sum is σ = 2111564160. Its totient is φ = 699938688.

The previous prime is 1316056271. The next prime is 1316056307. The reversal of 1316056305 is 5036506131.

It is not a de Polignac number, because 1316056305 - 2⁷ = 1316056177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316056307) 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 15 ways as a sum of consecutive naturals, for example, 116812 + ... + 127581.

It is an arithmetic number, because the mean of its divisors is an integer number (131972760).

Almost surely, 2^1316056305 is an apocalyptic number.

1316056305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316056305 is a deficient number, since it is larger than the sum of its proper divisors (795507855).

1316056305 is a wasteful number, since it uses less digits than its factorization.

1316056305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244760.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1316056305 is about 36277.4903349171. The cubic root of 1316056305 is about 1095.8677760751.

The spelling of 1316056305 in words is "one billion, three hundred sixteen million, fifty-six thousand, three hundred five".