1313574318 has 96 divisors (see below), whose sum is σ = 3370610880. Its totient is φ = 361912320.

The previous prime is 1313574293. The next prime is 1313574319. The reversal of 1313574318 is 8134753131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313574319) 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 47 ways as a sum of consecutive naturals, for example, 458346 + ... + 461202.

It is an arithmetic number, because the mean of its divisors is an integer number (35110530).

Almost surely, 2^1313574318 is an apocalyptic number.

1313574318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313574318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685305440).

1313574318 is an abundant number, since it is smaller than the sum of its proper divisors (2057036562).

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

1313574318 is a wasteful number, since it uses less digits than its factorization.

1313574318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 2999 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1313574318 is about 36243.2658296683. The cubic root of 1313574318 is about 1095.1784334230.

The spelling of 1313574318 in words is "one billion, three hundred thirteen million, five hundred seventy-four thousand, three hundred eighteen".