1303315136 has 56 divisors (see below), whose sum is σ = 2654070384. Its totient is φ = 634798080.

The previous prime is 1303315109. The next prime is 1303315141. The reversal of 1303315136 is 6315133031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386096 + ... + 389456.

It is an arithmetic number, because the mean of its divisors is an integer number (47394114).

Almost surely, 2^1303315136 is an apocalyptic number.

1303315136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303315136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327035192).

1303315136 is an abundant number, since it is smaller than the sum of its proper divisors (1350755248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303315136 is an equidigital number, since it uses as much as digits as its factorization.

1303315136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 1303315136 is about 36101.4561479174. The cubic root of 1303315136 is about 1092.3198175898.

Adding to 1303315136 its reverse (6315133031), we get a palindrome (7618448167).

The spelling of 1303315136 in words is "one billion, three hundred three million, three hundred fifteen thousand, one hundred thirty-six".