1305446140139 has 2 divisors, whose sum is σ = 1305446140140. Its totient is φ = 1305446140138.

The previous prime is 1305446140121. The next prime is 1305446140223. The reversal of 1305446140139 is 9310416445031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1305446140139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1305446140096 and 1305446140105.

It is not a weakly prime, because it can be changed into another prime (1305446142139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652723070069 + 652723070070.

It is an arithmetic number, because the mean of its divisors is an integer number (652723070070).

Almost surely, 2^{1305446140139} is an apocalyptic number.

1305446140139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305446140139 is an equidigital number, since it uses as much as digits as its factorization.

1305446140139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1305446140139 in words is "one trillion, three hundred five billion, four hundred forty-six million, one hundred forty thousand, one hundred thirty-nine".