1300344139 has 2 divisors, whose sum is σ = 1300344140. Its totient is φ = 1300344138.

The previous prime is 1300344113. The next prime is 1300344191. The reversal of 1300344139 is 9314430031.

It is a weak prime.

It is an emirp because it is prime and its reverse (9314430031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1300344139 - 2²¹ = 1298246987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300344239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650172069 + 650172070.

It is an arithmetic number, because the mean of its divisors is an integer number (650172070).

Almost surely, 2^1300344139 is an apocalyptic number.

1300344139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300344139 is an equidigital number, since it uses as much as digits as its factorization.

1300344139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1300344139 is about 36060.2847881156. The cubic root of 1300344139 is about 1091.4891799118.

The spelling of 1300344139 in words is "one billion, three hundred million, three hundred forty-four thousand, one hundred thirty-nine".