52131234142 has 32 divisors (see below), whose sum is σ = 84441591360. Its totient is φ = 23995077120.

The previous prime is 52131234139. The next prime is 52131234143. The reversal of 52131234142 is 24143213125.

It is a self number, because there is not a number n which added to its sum of digits gives 52131234142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52131234143) 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, 19228167 + ... + 19230877.

It is an arithmetic number, because the mean of its divisors is an integer number (2638799730).

Almost surely, 2^52131234142 is an apocalyptic number.

52131234142 is a deficient number, since it is larger than the sum of its proper divisors (32310357218).

52131234142 is a wasteful number, since it uses less digits than its factorization.

52131234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468.

The product of its digits is 5760, while the sum is 28.

Adding to 52131234142 its reverse (24143213125), we get a palindrome (76274447267).

The spelling of 52131234142 in words is "fifty-two billion, one hundred thirty-one million, two hundred thirty-four thousand, one hundred forty-two".