1313609480 has 32 divisors (see below), whose sum is σ = 2963102040. Its totient is φ = 524113920.

The previous prime is 1313609477. The next prime is 1313609489. The reversal of 1313609480 is 849063131.

It can be written as a sum of positive squares in 4 ways, for example, as 926228356 + 387381124 = 30434^2 + 19682^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1313609480.

It is not an unprimeable number, because it can be changed into a prime (1313609489) 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, 25481 + ... + 57240.

Almost surely, 2^1313609480 is an apocalyptic number.

1313609480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313609480 is an abundant number, since it is smaller than the sum of its proper divisors (1649492560).

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

1313609480 is a wasteful number, since it uses less digits than its factorization.

1313609480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83129 (or 83125 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1313609480 is about 36243.7509096396. The cubic root of 1313609480 is about 1095.1882053153.

The spelling of 1313609480 in words is "one billion, three hundred thirteen million, six hundred nine thousand, four hundred eighty".