13644130155 has 8 divisors (see below), whose sum is σ = 21830608272. Its totient is φ = 7276869408.

The previous prime is 13644130153. The next prime is 13644130177. The reversal of 13644130155 is 55103144631.

It is a happy number.

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

It is not a de Polignac number, because 13644130155 - 2¹ = 13644130153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13644130153) 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, 454804324 + ... + 454804353.

It is an arithmetic number, because the mean of its divisors is an integer number (2728826034).

Almost surely, 2^13644130155 is an apocalyptic number.

13644130155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13644130155 is a deficient number, since it is larger than the sum of its proper divisors (8186478117).

13644130155 is an equidigital number, since it uses as much as digits as its factorization.

13644130155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909608685.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 13644130155 its reverse (55103144631), we get a palindrome (68747274786).

The spelling of 13644130155 in words is "thirteen billion, six hundred forty-four million, one hundred thirty thousand, one hundred fifty-five".