1304142340987 has 2 divisors, whose sum is σ = 1304142340988. Its totient is φ = 1304142340986.

The previous prime is 1304142340981. The next prime is 1304142341017. The reversal of 1304142340987 is 7890432414031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304142340987 - 2²⁷ = 1304008123259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304142340981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652071170493 + 652071170494.

It is an arithmetic number, because the mean of its divisors is an integer number (652071170494).

Almost surely, 2^{1304142340987} is an apocalyptic number.

1304142340987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304142340987 is an equidigital number, since it uses as much as digits as its factorization.

1304142340987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 1304142340987 in words is "one trillion, three hundred four billion, one hundred forty-two million, three hundred forty thousand, nine hundred eighty-seven".