133913206 has 16 divisors (see below), whose sum is σ = 229720320. Its totient is φ = 57352680.

The previous prime is 133913203. The next prime is 133913209. The reversal of 133913206 is 602319331.

It is an interprime number because it is at equal distance from previous prime (133913203) and next prime (133913209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133913201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30285 + ... + 34423.

It is an arithmetic number, because the mean of its divisors is an integer number (14357520).

Almost surely, 2^133913206 is an apocalyptic number.

133913206 is a deficient number, since it is larger than the sum of its proper divisors (95807114).

133913206 is a wasteful number, since it uses less digits than its factorization.

133913206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 133913206 is about 11572.0873657262. The cubic root of 133913206 is about 511.6124870335.

The spelling of 133913206 in words is "one hundred thirty-three million, nine hundred thirteen thousand, two hundred six".