1308728345371 has 2 divisors, whose sum is σ = 1308728345372. Its totient is φ = 1308728345370.

The previous prime is 1308728345363. The next prime is 1308728345401. The reversal of 1308728345371 is 1735438278031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1308728345371 - 2³ = 1308728345363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1308728345311) 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, 654364172685 + 654364172686.

It is an arithmetic number, because the mean of its divisors is an integer number (654364172686).

Almost surely, 2^{1308728345371} is an apocalyptic number.

1308728345371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308728345371 is an equidigital number, since it uses as much as digits as its factorization.

1308728345371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 1308728345371 in words is "one trillion, three hundred eight billion, seven hundred twenty-eight million, three hundred forty-five thousand, three hundred seventy-one".