201328765 has 8 divisors (see below), whose sum is σ = 263557728. Its totient is φ = 146420880.

The previous prime is 201328741. The next prime is 201328783. The reversal of 201328765 is 567823102.

It is a happy number.

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

It is not a de Polignac number, because 201328765 - 2¹⁷ = 201197693 is a prime.

It is a super-3 number, since 3×201328765³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201328765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830207 + ... + 1830316.

It is an arithmetic number, because the mean of its divisors is an integer number (32944716).

Almost surely, 2^201328765 is an apocalyptic number.

It is an amenable number.

201328765 is a deficient number, since it is larger than the sum of its proper divisors (62228963).

201328765 is a wasteful number, since it uses less digits than its factorization.

201328765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660539.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 201328765 is about 14189.0367890143. The cubic root of 201328765 is about 586.0958008291.

The spelling of 201328765 in words is "two hundred one million, three hundred twenty-eight thousand, seven hundred sixty-five".