13531155142 has 16 divisors (see below), whose sum is σ = 20869429680. Its totient is φ = 6577021152.

The previous prime is 13531155109. The next prime is 13531155163. The reversal of 13531155142 is 24155113531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574008 + ... + 597115.

It is an arithmetic number, because the mean of its divisors is an integer number (1304339355).

Almost surely, 2^13531155142 is an apocalyptic number.

13531155142 is a deficient number, since it is larger than the sum of its proper divisors (7338274538).

13531155142 is a wasteful number, since it uses less digits than its factorization.

13531155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171287.

The product of its digits is 9000, while the sum is 31.

Adding to 13531155142 its reverse (24155113531), we get a palindrome (37686268673).

The spelling of 13531155142 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-five thousand, one hundred forty-two".