133730006 has 4 divisors (see below), whose sum is σ = 200595012. Its totient is φ = 66865002.

The previous prime is 133729997. The next prime is 133730011. The reversal of 133730006 is 600037331.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 33432500 + ... + 33432503.

It is an arithmetic number, because the mean of its divisors is an integer number (50148753).

Almost surely, 2^133730006 is an apocalyptic number.

133730006 is a deficient number, since it is larger than the sum of its proper divisors (66865006).

133730006 is an equidigital number, since it uses as much as digits as its factorization.

133730006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66865005.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 133730006 is about 11564.1690579133. The cubic root of 133730006 is about 511.3790766921.

Adding to 133730006 its reverse (600037331), we get a palindrome (733767337).

The spelling of 133730006 in words is "one hundred thirty-three million, seven hundred thirty thousand, six".