1309885060 has 24 divisors (see below), whose sum is σ = 3000828096. Its totient is φ = 476321760.

The previous prime is 1309885051. The next prime is 1309885117. The reversal of 1309885060 is 605889031.

It is a happy number.

It is a super-2 number, since 2×1309885060² = 3431597740822407200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976792 + ... + 2977231.

It is an arithmetic number, because the mean of its divisors is an integer number (125034504).

Almost surely, 2^1309885060 is an apocalyptic number.

1309885060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1309885060 is an abundant number, since it is smaller than the sum of its proper divisors (1690943036).

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

1309885060 is a wasteful number, since it uses less digits than its factorization.

1309885060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954043 (or 5954041 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1309885060 is about 36192.3342712238. The cubic root of 1309885060 is about 1094.1521790205.

The spelling of 1309885060 in words is "one billion, three hundred nine million, eight hundred eighty-five thousand, sixty".