190265 has 4 divisors (see below), whose sum is σ = 228324. Its totient is φ = 152208.

The previous prime is 190261. The next prime is 190271. The reversal of 190265 is 562091.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 116281 = 272^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 190265 - 2² = 190261 is a prime.

It is an Ulam number.

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 190265.

It is not an unprimeable number, because it can be changed into a prime (190261) 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 3 ways as a sum of consecutive naturals, for example, 19022 + ... + 19031.

It is an arithmetic number, because the mean of its divisors is an integer number (57081).

2¹⁹⁰²⁶⁵ is an apocalyptic number.

It is an amenable number.

190265 is a deficient number, since it is larger than the sum of its proper divisors (38059).

190265 is an equidigital number, since it uses as much as digits as its factorization.

190265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38058.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 190265 is about 436.1937642837. The cubic root of 190265 is about 57.5156857017.

The spelling of 190265 in words is "one hundred ninety thousand, two hundred sixty-five".