265140146 has 8 divisors (see below), whose sum is σ = 400009644. Its totient is φ = 131803600.

The previous prime is 265140131. The next prime is 265140151. The reversal of 265140146 is 641041562.

265140146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179854921 + 85285225 = 13411^2 + 9235^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382805 + ... + 383496.

Almost surely, 2^265140146 is an apocalyptic number.

265140146 is a deficient number, since it is larger than the sum of its proper divisors (134869498).

265140146 is a wasteful number, since it uses less digits than its factorization.

265140146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766476.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 265140146 is about 16283.1245773040. The cubic root of 265140146 is about 642.4290390827.

The spelling of 265140146 in words is "two hundred sixty-five million, one hundred forty thousand, one hundred forty-six".