13041440143 has 4 divisors (see below), whose sum is σ = 13042714048. Its totient is φ = 13040166240.

The previous prime is 13041440123. The next prime is 13041440171. The reversal of 13041440143 is 34104414031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13041440143 - 2¹³ = 13041431951 is a prime.

It is a super-2 number, since 2×13041440143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13041440123) 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, 621471 + ... + 642112.

It is an arithmetic number, because the mean of its divisors is an integer number (3260678512).

Almost surely, 2^13041440143 is an apocalyptic number.

13041440143 is a deficient number, since it is larger than the sum of its proper divisors (1273905).

13041440143 is a wasteful number, since it uses less digits than its factorization.

13041440143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273904.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13041440143 its reverse (34104414031), we get a palindrome (47145854174).

The spelling of 13041440143 in words is "thirteen billion, forty-one million, four hundred forty thousand, one hundred forty-three".