1340414545205 has 8 divisors (see below), whose sum is σ = 1630531666392. Its totient is φ = 1057642161408.

The previous prime is 1340414545111. The next prime is 1340414545207. The reversal of 1340414545205 is 5025454140431.

It can be written as a sum of positive squares in 4 ways, for example, as 30731141809 + 1309683403396 = 175303^2 + 1144414^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340414545205 - 2¹⁶ = 1340414479669 is a prime.

It is a super-2 number, since 2×1340414545205² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340414545207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836183944 + ... + 1836184673.

It is an arithmetic number, because the mean of its divisors is an integer number (203816458299).

Almost surely, 2^{1340414545205} is an apocalyptic number.

It is an amenable number.

1340414545205 is a deficient number, since it is larger than the sum of its proper divisors (290117121187).

1340414545205 is an equidigital number, since it uses as much as digits as its factorization.

1340414545205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672368695.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 1340414545205 its reverse (5025454140431), we get a palindrome (6365868685636).

The spelling of 1340414545205 in words is "one trillion, three hundred forty billion, four hundred fourteen million, five hundred forty-five thousand, two hundred five".