13965144101 has 4 divisors (see below), whose sum is σ = 13965417900. Its totient is φ = 13964870304.

The previous prime is 13965144047. The next prime is 13965144107. The reversal of 13965144101 is 10144156931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10144156931 = 19309 ⋅525359.

It can be written as a sum of positive squares in 2 ways, for example, as 8973015076 + 4992129025 = 94726^2 + 70655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13965144101 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 (13965144107) 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, 35216 + ... + 170793.

It is an arithmetic number, because the mean of its divisors is an integer number (3491354475).

Almost surely, 2^13965144101 is an apocalyptic number.

It is an amenable number.

13965144101 is a deficient number, since it is larger than the sum of its proper divisors (273799).

13965144101 is an equidigital number, since it uses as much as digits as its factorization.

13965144101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273798.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 13965144101 in words is "thirteen billion, nine hundred sixty-five million, one hundred forty-four thousand, one hundred one".