133126469966 has 24 divisors (see below), whose sum is σ = 244518009480. Its totient is φ = 54051347952.

The previous prime is 133126469939. The next prime is 133126469969. The reversal of 133126469966 is 669964621331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133126469969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35746385 + ... + 35750108.

It is an arithmetic number, because the mean of its divisors is an integer number (10188250395).

Almost surely, 2^133126469966 is an apocalyptic number.

133126469966 is a deficient number, since it is larger than the sum of its proper divisors (111391539514).

133126469966 is a wasteful number, since it uses less digits than its factorization.

133126469966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71496528 (or 71496521 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 56.

The spelling of 133126469966 in words is "one hundred thirty-three billion, one hundred twenty-six million, four hundred sixty-nine thousand, nine hundred sixty-six".