13142005343461 has 4 divisors (see below), whose sum is σ = 13364751196800. Its totient is φ = 12919259490124.

The previous prime is 13142005343359. The next prime is 13142005343503. The reversal of 13142005343461 is 16434350024131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13142005343461 - 2⁷ = 13142005343333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13142005343461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142005347461) 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, 111372926581 + ... + 111372926698.

It is an arithmetic number, because the mean of its divisors is an integer number (3341187799200).

Almost surely, 2^{13142005343461} is an apocalyptic number.

It is an amenable number.

13142005343461 is a deficient number, since it is larger than the sum of its proper divisors (222745853339).

13142005343461 is an equidigital number, since it uses as much as digits as its factorization.

13142005343461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222745853338.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 13142005343461 its reverse (16434350024131), we get a palindrome (29576355367592).

The spelling of 13142005343461 in words is "thirteen trillion, one hundred forty-two billion, five million, three hundred forty-three thousand, four hundred sixty-one".