13401143144 has 16 divisors (see below), whose sum is σ = 25220556900. Its totient is φ = 6675661312.

The previous prime is 13401143143. The next prime is 13401143149. The reversal of 13401143144 is 44134110431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13400840644 + 302500 = 115762^2 + 550^2 .

It is not an unprimeable number, because it can be changed into a prime (13401143141) 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, 3111497 + ... + 3115800.

Almost surely, 2^13401143144 is an apocalyptic number.

It is an amenable number.

13401143144 is a deficient number, since it is larger than the sum of its proper divisors (11819413756).

13401143144 is a wasteful number, since it uses less digits than its factorization.

13401143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227572 (or 6227568 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13401143144 its reverse (44134110431), we get a palindrome (57535253575).

The spelling of 13401143144 in words is "thirteen billion, four hundred one million, one hundred forty-three thousand, one hundred forty-four".