13140223662661 has 8 divisors (see below), whose sum is σ = 13264127187840. Its totient is φ = 13016340465408.

The previous prime is 13140223662659. The next prime is 13140223662721. The reversal of 13140223662661 is 16626632204131.

It is a happy number.

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 13140223662661 - 2¹ = 13140223662659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140223662061) 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, 3781501 + ... + 6370258.

It is an arithmetic number, because the mean of its divisors is an integer number (1658015898480).

Almost surely, 2^{13140223662661} is an apocalyptic number.

It is an amenable number.

13140223662661 is a deficient number, since it is larger than the sum of its proper divisors (123903525179).

13140223662661 is a wasteful number, since it uses less digits than its factorization.

13140223662661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163963.

The product of its (nonzero) digits is 373248, while the sum is 43.

Adding to 13140223662661 its reverse (16626632204131), we get a palindrome (29766855866792).

The spelling of 13140223662661 in words is "thirteen trillion, one hundred forty billion, two hundred twenty-three million, six hundred sixty-two thousand, six hundred sixty-one".