133401206 has 8 divisors (see below), whose sum is σ = 205510080. Its totient is φ = 64897848.

The previous prime is 133401199. The next prime is 133401209. The reversal of 133401206 is 602104331.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133401209) by changing a digit.

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, 901286 + ... + 901433.

It is an arithmetic number, because the mean of its divisors is an integer number (25688760).

Almost surely, 2^133401206 is an apocalyptic number.

133401206 is a deficient number, since it is larger than the sum of its proper divisors (72108874).

133401206 is a wasteful number, since it uses less digits than its factorization.

133401206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802758.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133401206 is about 11549.9439825481. The cubic root of 133401206 is about 510.9596259987.

Adding to 133401206 its reverse (602104331), we get a palindrome (735505537).

The spelling of 133401206 in words is "one hundred thirty-three million, four hundred one thousand, two hundred six".