133740206 has 8 divisors (see below), whose sum is σ = 203149920. Its totient is φ = 66023568.

The previous prime is 133740151. The next prime is 133740209. The reversal of 133740206 is 602047331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133740209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423071 + ... + 423386.

It is an arithmetic number, because the mean of its divisors is an integer number (25393740).

Almost surely, 2^133740206 is an apocalyptic number.

133740206 is a deficient number, since it is larger than the sum of its proper divisors (69409714).

133740206 is an equidigital number, since it uses as much as digits as its factorization.

133740206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846538.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 133740206 is about 11564.6100669240. The cubic root of 133740206 is about 511.3920778480.

Adding to 133740206 its reverse (602047331), we get a palindrome (735787537).

The spelling of 133740206 in words is "one hundred thirty-three million, seven hundred forty thousand, two hundred six".