205159394 has 8 divisors (see below), whose sum is σ = 335715408. Its totient is φ = 93254260.

The previous prime is 205159393. The next prime is 205159421. The reversal of 205159394 is 493951502.

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

It is not an unprimeable number, because it can be changed into a prime (205159391) 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, 4662692 + ... + 4662735.

It is an arithmetic number, because the mean of its divisors is an integer number (41964426).

Almost surely, 2^205159394 is an apocalyptic number.

205159394 is a deficient number, since it is larger than the sum of its proper divisors (130556014).

205159394 is a wasteful number, since it uses less digits than its factorization.

205159394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325440.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 205159394 is about 14323.3862616352. The cubic root of 205159394 is about 589.7896348565.

The spelling of 205159394 in words is "two hundred five million, one hundred fifty-nine thousand, three hundred ninety-four".