140770265 has 8 divisors (see below), whose sum is σ = 170597448. Its totient is φ = 111500800.

The previous prime is 140770243. The next prime is 140770271. The reversal of 140770265 is 562077041.

It can be written as a sum of positive squares in 4 ways, for example, as 92717641 + 48052624 = 9629^2 + 6932^2 .

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

It is not a de Polignac number, because 140770265 - 2¹⁰ = 140769241 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138872 + ... + 139881.

It is an arithmetic number, because the mean of its divisors is an integer number (21324681).

Almost surely, 2^140770265 is an apocalyptic number.

It is an amenable number.

140770265 is a deficient number, since it is larger than the sum of its proper divisors (29827183).

140770265 is a wasteful number, since it uses less digits than its factorization.

140770265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278859.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 140770265 is about 11864.6645548873. The cubic root of 140770265 is about 520.1999539210.

The spelling of 140770265 in words is "one hundred forty million, seven hundred seventy thousand, two hundred sixty-five".