133394752966 has 4 divisors (see below), whose sum is σ = 200092129452. Its totient is φ = 66697376482.

The previous prime is 133394752963. The next prime is 133394752979. The reversal of 133394752966 is 669257493331.

It is a happy number.

133394752966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 133394752966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133394752963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33348688240 + ... + 33348688243.

It is an arithmetic number, because the mean of its divisors is an integer number (50023032363).

Almost surely, 2^133394752966 is an apocalyptic number.

133394752966 is a deficient number, since it is larger than the sum of its proper divisors (66697376486).

133394752966 is an equidigital number, since it uses as much as digits as its factorization.

133394752966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66697376485.

The product of its digits is 22044960, while the sum is 58.

The spelling of 133394752966 in words is "one hundred thirty-three billion, three hundred ninety-four million, seven hundred fifty-two thousand, nine hundred sixty-six".