13440143801 has 12 divisors (see below), whose sum is σ = 15728082048. Its totient is φ = 11451133512.

The previous prime is 13440143779. The next prime is 13440143803. The reversal of 13440143801 is 10834104431.

It is a happy number.

It is not a de Polignac number, because 13440143801 - 2¹⁴ = 13440127417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13440143803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 813041 + ... + 829406.

It is an arithmetic number, because the mean of its divisors is an integer number (1310673504).

Almost surely, 2^13440143801 is an apocalyptic number.

It is an amenable number.

13440143801 is a deficient number, since it is larger than the sum of its proper divisors (2287938247).

13440143801 is a wasteful number, since it uses less digits than its factorization.

13440143801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642628 (or 1642621 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 13440143801 in words is "thirteen billion, four hundred forty million, one hundred forty-three thousand, eight hundred one".