208704134 has 4 divisors (see below), whose sum is σ = 313056204. Its totient is φ = 104352066.

The previous prime is 208704127. The next prime is 208704137. The reversal of 208704134 is 431407802.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 208704097 and 208704106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208704137) 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 as a sum of consecutive naturals, namely, 52176032 + ... + 52176035.

It is an arithmetic number, because the mean of its divisors is an integer number (78264051).

Almost surely, 2^208704134 is an apocalyptic number.

208704134 is a deficient number, since it is larger than the sum of its proper divisors (104352070).

208704134 is a wasteful number, since it uses less digits than its factorization.

208704134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104352069.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 208704134 is about 14446.5959312220. The cubic root of 208704134 is about 593.1670485361.

The spelling of 208704134 in words is "two hundred eight million, seven hundred four thousand, one hundred thirty-four".