1300131309 has 8 divisors (see below), whose sum is σ = 1733848672. Its totient is φ = 866584080.

The previous prime is 1300131307. The next prime is 1300131311. The reversal of 1300131309 is 9031310031.

It is an interprime number because it is at equal distance from previous prime (1300131307) and next prime (1300131311).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1300131309 - 2¹ = 1300131307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300131307) 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, 23482 + ... + 56139.

It is an arithmetic number, because the mean of its divisors is an integer number (216731084).

Almost surely, 2^1300131309 is an apocalyptic number.

It is an amenable number.

1300131309 is a deficient number, since it is larger than the sum of its proper divisors (433717363).

1300131309 is an equidigital number, since it uses as much as digits as its factorization.

1300131309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85067.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 1300131309 is about 36057.3336368623. Note that the first 3 decimals coincide. The cubic root of 1300131309 is about 1091.4296279030.

The spelling of 1300131309 in words is "one billion, three hundred million, one hundred thirty-one thousand, three hundred nine".