13531202142 has 32 divisors (see below), whose sum is σ = 27993840000. Its totient is φ = 4356916128.

The previous prime is 13531202141. The next prime is 13531202143. The reversal of 13531202142 is 24120213531.

It is an interprime number because it is at equal distance from previous prime (13531202141) and next prime (13531202143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531202141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188392 + ... + 250107.

It is an arithmetic number, because the mean of its divisors is an integer number (874807500).

Almost surely, 2^13531202142 is an apocalyptic number.

13531202142 is an abundant number, since it is smaller than the sum of its proper divisors (14462637858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531202142 is a wasteful number, since it uses less digits than its factorization.

13531202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438680.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13531202142 its reverse (24120213531), we get a palindrome (37651415673).

The spelling of 13531202142 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, one hundred forty-two".