133043401945 has 8 divisors (see below), whose sum is σ = 159662600136. Its totient is φ = 106427709696.

The previous prime is 133043401927. The next prime is 133043401957. The reversal of 133043401945 is 549104340331.

It can be written as a sum of positive squares in 4 ways, for example, as 12382348176 + 120661053769 = 111276^2 + 347363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133043401945 - 2¹⁹ = 133042877657 is a prime.

It is a Duffinian 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, 792262 + ... + 945391.

It is an arithmetic number, because the mean of its divisors is an integer number (19957825017).

Almost surely, 2^133043401945 is an apocalyptic number.

It is an amenable number.

133043401945 is a deficient number, since it is larger than the sum of its proper divisors (26619198191).

133043401945 is a wasteful number, since it uses less digits than its factorization.

133043401945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752971.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 133043401945 in words is "one hundred thirty-three billion, forty-three million, four hundred one thousand, nine hundred forty-five".