1371302821987 has 4 divisors (see below), whose sum is σ = 1567203225136. Its totient is φ = 1175402418840.

The previous prime is 1371302821919. The next prime is 1371302822023. The reversal of 1371302821987 is 7891282031731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1371302821987 - 2⁷ = 1371302821859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1371302821907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97950201564 + ... + 97950201577.

It is an arithmetic number, because the mean of its divisors is an integer number (391800806284).

Almost surely, 2^{1371302821987} is an apocalyptic number.

1371302821987 is a deficient number, since it is larger than the sum of its proper divisors (195900403149).

1371302821987 is an equidigital number, since it uses as much as digits as its factorization.

1371302821987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195900403148.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 1371302821987 in words is "one trillion, three hundred seventy-one billion, three hundred two million, eight hundred twenty-one thousand, nine hundred eighty-seven".