140775265 has 8 divisors (see below), whose sum is σ = 168994728. Its totient is φ = 112577280.

The previous prime is 140775253. The next prime is 140775277. The reversal of 140775265 is 562577041.

It is an interprime number because it is at equal distance from previous prime (140775253) and next prime (140775277).

It can be written as a sum of positive squares in 4 ways, for example, as 1700416 + 139074849 = 1304^2 + 11793^2 .

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

It is not a de Polignac number, because 140775265 - 2⁷ = 140775137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19719 + ... + 25891.

It is an arithmetic number, because the mean of its divisors is an integer number (21124341).

Almost surely, 2^140775265 is an apocalyptic number.

It is an amenable number.

140775265 is a deficient number, since it is larger than the sum of its proper divisors (28219463).

140775265 is an equidigital number, since it uses as much as digits as its factorization.

140775265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 140775265 is about 11864.8752627240. The cubic root of 140775265 is about 520.2061128187.

The spelling of 140775265 in words is "one hundred forty million, seven hundred seventy-five thousand, two hundred sixty-five".