142131468428 has 24 divisors (see below), whose sum is σ = 252653302944. Its totient is φ = 69948144000.

The previous prime is 142131468397. The next prime is 142131468431. The reversal of 142131468428 is 824864131241.

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, 245675 + ... + 587042.

It is an arithmetic number, because the mean of its divisors is an integer number (10527220956).

Almost surely, 2^142131468428 is an apocalyptic number.

It is an amenable number.

142131468428 is a deficient number, since it is larger than the sum of its proper divisors (110521834516).

142131468428 is a wasteful number, since it uses less digits than its factorization.

142131468428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833393 (or 833391 counting only the distinct ones).

The product of its digits is 294912, while the sum is 44.

Adding to 142131468428 its reverse (824864131241), we get a palindrome (966995599669).

The spelling of 142131468428 in words is "one hundred forty-two billion, one hundred thirty-one million, four hundred sixty-eight thousand, four hundred twenty-eight".