142140213134 has 32 divisors (see below), whose sum is σ = 221508227136. Its totient is φ = 68350417920.

The previous prime is 142140213101. The next prime is 142140213151. The reversal of 142140213134 is 431312041241.

It is a super-2 number, since 2×142140213134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5895464 + ... + 5919524.

It is an arithmetic number, because the mean of its divisors is an integer number (6922132098).

Almost surely, 2^142140213134 is an apocalyptic number.

142140213134 is a deficient number, since it is larger than the sum of its proper divisors (79368014002).

142140213134 is a wasteful number, since it uses less digits than its factorization.

142140213134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25020.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 142140213134 its reverse (431312041241), we get a palindrome (573452254375).

The spelling of 142140213134 in words is "one hundred forty-two billion, one hundred forty million, two hundred thirteen thousand, one hundred thirty-four".