134421645406 has 16 divisors (see below), whose sum is σ = 203009454000. Its totient is φ = 66751933248.

The previous prime is 134421645377. The next prime is 134421645439. The reversal of 134421645406 is 604546124431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3176221 + ... + 3218263.

It is an arithmetic number, because the mean of its divisors is an integer number (12688090875).

Almost surely, 2^134421645406 is an apocalyptic number.

134421645406 is a deficient number, since it is larger than the sum of its proper divisors (68587808594).

134421645406 is a wasteful number, since it uses less digits than its factorization.

134421645406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52923.

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 134421645406 its reverse (604546124431), we get a palindrome (738967769837).

The spelling of 134421645406 in words is "one hundred thirty-four billion, four hundred twenty-one million, six hundred forty-five thousand, four hundred six".