1316405827 has 18 divisors (see below), whose sum is σ = 1483558076. Its totient is φ = 1166577720.

The previous prime is 1316405809. The next prime is 1316405833. The reversal of 1316405827 is 7285046131.

It is not a de Polignac number, because 1316405827 - 2¹¹ = 1316403779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316405837) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2616858 + ... + 2617360.

Almost surely, 2^1316405827 is an apocalyptic number.

1316405827 is a deficient number, since it is larger than the sum of its proper divisors (167152249).

1316405827 is an frugal number, since it uses more digits than its factorization.

1316405827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1316405827 is about 36282.3073549630. The cubic root of 1316405827 is about 1095.9647820547.

The spelling of 1316405827 in words is "one billion, three hundred sixteen million, four hundred five thousand, eight hundred twenty-seven".