1313182605 has 96 divisors (see below), whose sum is σ = 2506460544. Its totient is φ = 585252864.

The previous prime is 1313182601. The next prime is 1313182609. The reversal of 1313182605 is 5062813131.

It is an interprime number because it is at equal distance from previous prime (1313182601) and next prime (1313182609).

It is not a de Polignac number, because 1313182605 - 2² = 1313182601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313182601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8056254 + ... + 8056416.

It is an arithmetic number, because the mean of its divisors is an integer number (26108964).

Almost surely, 2^1313182605 is an apocalyptic number.

1313182605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313182605 is a deficient number, since it is larger than the sum of its proper divisors (1193277939).

1313182605 is a wasteful number, since it uses less digits than its factorization.

1313182605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1313182605 is about 36237.8614849166. The cubic root of 1313182605 is about 1095.0695604358.

Adding to 1313182605 its reverse (5062813131), we get a palindrome (6375995736).

The spelling of 1313182605 in words is "one billion, three hundred thirteen million, one hundred eighty-two thousand, six hundred five".