1340468140671 has 80 divisors (see below), whose sum is σ = 2209515694848. Its totient is φ = 806457124800.

The previous prime is 1340468140667. The next prime is 1340468140673. The reversal of 1340468140671 is 1760418640431.

1340468140671 is a `hidden beast` number, since 1 + 3 + 40 + 468 + 140 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 1340468140671 - 2² = 1340468140667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340468140673) 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 in 79 ways as a sum of consecutive naturals, for example, 29639686 + ... + 29684876.

Almost surely, 2^{1340468140671} is an apocalyptic number.

1340468140671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1340468140671 is a deficient number, since it is larger than the sum of its proper divisors (869047554177).

1340468140671 is an frugal number, since it uses more digits than its factorization.

1340468140671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45366 (or 45342 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1340468140671 in words is "one trillion, three hundred forty billion, four hundred sixty-eight million, one hundred forty thousand, six hundred seventy-one".