132143240242 has 16 divisors (see below), whose sum is σ = 213490975320. Its totient is φ = 60980954112.

The previous prime is 132143240167. The next prime is 132143240249. The reversal of 132143240242 is 242042341231.

It can be written as a sum of positive squares in 4 ways, for example, as 42041811681 + 90101428561 = 205041^2 + 300169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 132143240242.

It is not an unprimeable number, because it can be changed into a prime (132143240249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144613 + ... + 534040.

Almost surely, 2^132143240242 is an apocalyptic number.

132143240242 is a deficient number, since it is larger than the sum of its proper divisors (81347735078).

132143240242 is a wasteful number, since it uses less digits than its factorization.

132143240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686157.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 132143240242 its reverse (242042341231), we get a palindrome (374185581473).

The spelling of 132143240242 in words is "one hundred thirty-two billion, one hundred forty-three million, two hundred forty thousand, two hundred forty-two".