1340473405605 has 16 divisors (see below), whose sum is σ = 2144776570560. Its totient is φ = 714912775808.

The previous prime is 1340473405589. The next prime is 1340473405613. The reversal of 1340473405605 is 5065043740431.

It is a cyclic number.

It is not a de Polignac number, because 1340473405605 - 2⁴ = 1340473405589 is a prime.

It is a super-2 number, since 2×1340473405605² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695049 + ... + 2356721.

It is an arithmetic number, because the mean of its divisors is an integer number (134048535660).

Almost surely, 2^{1340473405605} is an apocalyptic number.

1340473405605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340473405605 is a deficient number, since it is larger than the sum of its proper divisors (804303164955).

1340473405605 is a wasteful number, since it uses less digits than its factorization.

1340473405605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796740.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 1340473405605 in words is "one trillion, three hundred forty billion, four hundred seventy-three million, four hundred five thousand, six hundred five".