1309941300 has 36 divisors (see below), whose sum is σ = 3790097696. Its totient is φ = 349317600.

The previous prime is 1309941299. The next prime is 1309941329. The reversal of 1309941300 is 31499031.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 2182936 + ... + 2183535.

Almost surely, 2^1309941300 is an apocalyptic number.

1309941300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1309941300 is an abundant number, since it is smaller than the sum of its proper divisors (2480156396).

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

1309941300 is a wasteful number, since it uses less digits than its factorization.

1309941300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366488 (or 4366481 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1309941300 is about 36193.1112229938. Note that the first 3 decimals coincide. The cubic root of 1309941300 is about 1094.1678379613.

The spelling of 1309941300 in words is "one billion, three hundred nine million, nine hundred forty-one thousand, three hundred".