133420302056 has 16 divisors (see below), whose sum is σ = 250168637700. Its totient is φ = 66708665344.

The previous prime is 133420302049. The next prime is 133420302091. The reversal of 133420302056 is 650203024331.

It can be written as a sum of positive squares in 2 ways, for example, as 128859460900 + 4560841156 = 358970^2 + 67534^2 .

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 3 ways as a sum of consecutive naturals, for example, 258440 + ... + 577608.

Almost surely, 2^133420302056 is an apocalyptic number.

It is an amenable number.

133420302056 is a deficient number, since it is larger than the sum of its proper divisors (116748335644).

133420302056 is a wasteful number, since it uses less digits than its factorization.

133420302056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371428 (or 371424 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 133420302056 its reverse (650203024331), we get a palindrome (783623326387).

The spelling of 133420302056 in words is "one hundred thirty-three billion, four hundred twenty million, three hundred two thousand, fifty-six".