133722573466 has 4 divisors (see below), whose sum is σ = 200583860202. Its totient is φ = 66861286732.

The previous prime is 133722573463. The next prime is 133722573473. The reversal of 133722573466 is 664375227331.

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

It can be written as a sum of positive squares in only one way, i.e., 68175821025 + 65546752441 = 261105^2 + 256021^2 .

It is not an unprimeable number, because it can be changed into a prime (133722573463) by changing a digit.

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 as a sum of consecutive naturals, namely, 33430643365 + ... + 33430643368.

Almost surely, 2^133722573466 is an apocalyptic number.

133722573466 is a deficient number, since it is larger than the sum of its proper divisors (66861286736).

133722573466 is an equidigital number, since it uses as much as digits as its factorization.

133722573466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66861286735.

The product of its digits is 3810240, while the sum is 49.

The spelling of 133722573466 in words is "one hundred thirty-three billion, seven hundred twenty-two million, five hundred seventy-three thousand, four hundred sixty-six".