208472133 has 8 divisors (see below), whose sum is σ = 278159200. Its totient is φ = 138883248.

The previous prime is 208472101. The next prime is 208472149. The reversal of 208472133 is 331274802.

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

It is not a de Polignac number, because 208472133 - 2⁵ = 208472101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 208472133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208472153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19438 + ... + 28191.

It is an arithmetic number, because the mean of its divisors is an integer number (34769900).

Almost surely, 2^208472133 is an apocalyptic number.

It is an amenable number.

208472133 is a deficient number, since it is larger than the sum of its proper divisors (69687067).

208472133 is a wasteful number, since it uses less digits than its factorization.

208472133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49091.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 208472133 is about 14438.5640906567. The cubic root of 208472133 is about 592.9471736833.

The spelling of 208472133 in words is "two hundred eight million, four hundred seventy-two thousand, one hundred thirty-three".