134242021342 has 16 divisors (see below), whose sum is σ = 236566359792. Its totient is φ = 56325323520.

The previous prime is 134242021337. The next prime is 134242021357. The reversal of 134242021342 is 243120242431.

It is a self number, because there is not a number n which added to its sum of digits gives 134242021342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234688563 + ... + 234689134.

It is an arithmetic number, because the mean of its divisors is an integer number (14785397487).

Almost surely, 2^134242021342 is an apocalyptic number.

134242021342 is a deficient number, since it is larger than the sum of its proper divisors (102324338450).

134242021342 is a wasteful number, since it uses less digits than its factorization.

134242021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469377723.

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

Adding to 134242021342 its reverse (243120242431), we get a palindrome (377362263773).

Subtracting 134242021342 from its reverse (243120242431), we obtain a square (108878221089 = 329967²).

The spelling of 134242021342 in words is "one hundred thirty-four billion, two hundred forty-two million, twenty-one thousand, three hundred forty-two".