1316236005 has 24 divisors (see below), whose sum is σ = 2607401472. Its totient is φ = 601707744.

The previous prime is 1316235967. The next prime is 1316236013. The reversal of 1316236005 is 5006326131.

1316236005 is a `hidden beast` number, since 1 + 31 + 6 + 23 + 600 + 5 = 666.

It is not a de Polignac number, because 1316236005 - 2⁸ = 1316235749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1316236005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2088949 + ... + 2089578.

It is an arithmetic number, because the mean of its divisors is an integer number (108641728).

Almost surely, 2^1316236005 is an apocalyptic number.

1316236005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316236005 is a deficient number, since it is larger than the sum of its proper divisors (1291165467).

1316236005 is a wasteful number, since it uses less digits than its factorization.

1316236005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178545 (or 4178542 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1316236005 is about 36279.9669928185. The cubic root of 1316236005 is about 1095.9176519749.

The spelling of 1316236005 in words is "one billion, three hundred sixteen million, two hundred thirty-six thousand, five".