201368 has 8 divisors (see below), whose sum is σ = 377580. Its totient is φ = 100680.

The previous prime is 201359. The next prime is 201389. The reversal of 201368 is 863102.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

201368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12578 + ... + 12593.

2²⁰¹³⁶⁸ is an apocalyptic number.

It is an amenable number.

201368 is a deficient number, since it is larger than the sum of its proper divisors (176212).

201368 is a wasteful number, since it uses less digits than its factorization.

201368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25177 (or 25173 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 201368 is about 448.7404595086. The cubic root of 201368 is about 58.6133871188.

The spelling of 201368 in words is "two hundred one thousand, three hundred sixty-eight".