13500412144 has 20 divisors (see below), whose sum is σ = 26472196296. Its totient is φ = 6668877632.

The previous prime is 13500412109. The next prime is 13500412183. The reversal of 13500412144 is 44121400531.

It is a super-2 number, since 2×13500412144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5081659 + ... + 5084314.

Almost surely, 2^13500412144 is an apocalyptic number.

It is an amenable number.

13500412144 is a deficient number, since it is larger than the sum of its proper divisors (12971784152).

13500412144 is a wasteful number, since it uses less digits than its factorization.

13500412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166064 (or 10166058 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13500412144 its reverse (44121400531), we get a palindrome (57621812675).

The spelling of 13500412144 in words is "thirteen billion, five hundred million, four hundred twelve thousand, one hundred forty-four".