1371414221405 has 4 divisors (see below), whose sum is σ = 1645697065692. Its totient is φ = 1097131377120.

The previous prime is 1371414221393. The next prime is 1371414221453. The reversal of 1371414221405 is 5041224141731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1073764323076 + 297649898329 = 1036226^2 + 545573^2 .

It is not a de Polignac number, because 1371414221405 - 2⁶ = 1371414221341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137141422136 + ... + 137141422145.

It is an arithmetic number, because the mean of its divisors is an integer number (411424266423).

Almost surely, 2^{1371414221405} is an apocalyptic number.

It is an amenable number.

1371414221405 is a deficient number, since it is larger than the sum of its proper divisors (274282844287).

1371414221405 is an equidigital number, since it uses as much as digits as its factorization.

1371414221405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274282844286.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 1371414221405 in words is "one trillion, three hundred seventy-one billion, four hundred fourteen million, two hundred twenty-one thousand, four hundred five".