1307994539 has 2 divisors, whose sum is σ = 1307994540. Its totient is φ = 1307994538.

The previous prime is 1307994533. The next prime is 1307994553. The reversal of 1307994539 is 9354997031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307994539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1307994533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653997269 + 653997270.

It is an arithmetic number, because the mean of its divisors is an integer number (653997270).

Almost surely, 2^1307994539 is an apocalyptic number.

1307994539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307994539 is an equidigital number, since it uses as much as digits as its factorization.

1307994539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 1307994539 is about 36166.2071414739. The cubic root of 1307994539 is about 1093.6255390176.

The spelling of 1307994539 in words is "one billion, three hundred seven million, nine hundred ninety-four thousand, five hundred thirty-nine".