133421442344 has 32 divisors (see below), whose sum is σ = 263350332000. Its totient is φ = 63195181632.

The previous prime is 133421442307. The next prime is 133421442379. The reversal of 133421442344 is 443244124331.

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, 3344387 + ... + 3384045.

It is an arithmetic number, because the mean of its divisors is an integer number (8229697875).

Almost surely, 2^133421442344 is an apocalyptic number.

It is an amenable number.

133421442344 is a deficient number, since it is larger than the sum of its proper divisors (129928889656).

133421442344 is a wasteful number, since it uses less digits than its factorization.

133421442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61817 (or 61813 counting only the distinct ones).

The product of its digits is 110592, while the sum is 35.

Adding to 133421442344 its reverse (443244124331), we get a palindrome (576665566675).

The spelling of 133421442344 in words is "one hundred thirty-three billion, four hundred twenty-one million, four hundred forty-two thousand, three hundred forty-four".