133004206 has 4 divisors (see below), whose sum is σ = 199506312. Its totient is φ = 66502102.

The previous prime is 133004197. The next prime is 133004227. The reversal of 133004206 is 602400331.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 33251050 + ... + 33251053.

It is an arithmetic number, because the mean of its divisors is an integer number (49876578).

Almost surely, 2^133004206 is an apocalyptic number.

133004206 is a deficient number, since it is larger than the sum of its proper divisors (66502106).

133004206 is an equidigital number, since it uses as much as digits as its factorization.

133004206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66502105.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133004206 is about 11532.7449464557. The cubic root of 133004206 is about 510.4522529443.

Adding to 133004206 its reverse (602400331), we get a palindrome (735404537).

The spelling of 133004206 in words is "one hundred thirty-three million, four thousand, two hundred six".