1313454320 has 40 divisors (see below), whose sum is σ = 3077850624. Its totient is φ = 521240832.

The previous prime is 1313454299. The next prime is 1313454343. The reversal of 1313454320 is 234543131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1313454320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54479 + ... + 74798.

Almost surely, 2^1313454320 is an apocalyptic number.

1313454320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313454320 is an abundant number, since it is smaller than the sum of its proper divisors (1764396304).

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

1313454320 is a wasteful number, since it uses less digits than its factorization.

1313454320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129417 (or 129411 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1313454320 is about 36241.6103394979. The cubic root of 1313454320 is about 1095.1450833942.

Adding to 1313454320 its reverse (234543131), we get a palindrome (1547997451).

The spelling of 1313454320 in words is "one billion, three hundred thirteen million, four hundred fifty-four thousand, three hundred twenty".