133026506 has 8 divisors (see below), whose sum is σ = 199605060. Its totient is φ = 66491488.

The previous prime is 133026499. The next prime is 133026511. The reversal of 133026506 is 605620331.

It can be written as a sum of positive squares in 2 ways, for example, as 112550881 + 20475625 = 10609^2 + 4525^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691 + ... + 16398.

Almost surely, 2^133026506 is an apocalyptic number.

133026506 is a deficient number, since it is larger than the sum of its proper divisors (66578554).

133026506 is a wasteful number, since it uses less digits than its factorization.

133026506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21768.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 133026506 is about 11533.7117182631. The cubic root of 133026506 is about 510.4807794836.

Adding to 133026506 its reverse (605620331), we get a palindrome (738646837).

The spelling of 133026506 in words is "one hundred thirty-three million, twenty-six thousand, five hundred six".