1313546840 has 32 divisors (see below), whose sum is σ = 2985958080. Its totient is φ = 520000512.

The previous prime is 1313546827. The next prime is 1313546869. The reversal of 1313546840 is 486453131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313546840.

It is a congruent 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, 165392 + ... + 173151.

It is an arithmetic number, because the mean of its divisors is an integer number (93311190).

Almost surely, 2^1313546840 is an apocalyptic number.

1313546840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313546840 is an abundant number, since it is smaller than the sum of its proper divisors (1672411240).

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

1313546840 is a wasteful number, since it uses less digits than its factorization.

1313546840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338651 (or 338647 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1313546840 is about 36242.8867503680. The cubic root of 1313546840 is about 1095.1707968742.

Adding to 1313546840 its reverse (486453131), we get a palindrome (1799999971).

The spelling of 1313546840 in words is "one billion, three hundred thirteen million, five hundred forty-six thousand, eight hundred forty".