1313457580 has 24 divisors (see below), whose sum is σ = 2759037120. Its totient is φ = 525235200.

The previous prime is 1313457559. The next prime is 1313457583. The reversal of 1313457580 is 857543131.

It is not an unprimeable number, because it can be changed into a prime (1313457583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89181 + ... + 102859.

It is an arithmetic number, because the mean of its divisors is an integer number (114959880).

Almost surely, 2^1313457580 is an apocalyptic number.

1313457580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313457580 is an abundant number, since it is smaller than the sum of its proper divisors (1445579540).

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

1313457580 is a wasteful number, since it uses less digits than its factorization.

1313457580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18489 (or 18487 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1313457580 is about 36241.6553153964. The cubic root of 1313457580 is about 1095.1459894453.

The spelling of 1313457580 in words is "one billion, three hundred thirteen million, four hundred fifty-seven thousand, five hundred eighty".