1316591427 has 16 divisors (see below), whose sum is σ = 1790208000. Its totient is φ = 860496192.

The previous prime is 1316591417. The next prime is 1316591447. The reversal of 1316591427 is 7241956131.

It is not a de Polignac number, because 1316591427 - 2¹⁶ = 1316525891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316591417) 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, 18574 + ... + 54572.

It is an arithmetic number, because the mean of its divisors is an integer number (111888000).

Almost surely, 2^1316591427 is an apocalyptic number.

1316591427 is a deficient number, since it is larger than the sum of its proper divisors (473616573).

1316591427 is a wasteful number, since it uses less digits than its factorization.

1316591427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36242.

The product of its digits is 45360, while the sum is 39.

The square root of 1316591427 is about 36284.8649852800. The cubic root of 1316591427 is about 1096.0162863098.

The spelling of 1316591427 in words is "one billion, three hundred sixteen million, five hundred ninety-one thousand, four hundred twenty-seven".