140266375 has 8 divisors (see below), whose sum is σ = 175052592. Its totient is φ = 112213000.

The previous prime is 140266367. The next prime is 140266391. The reversal of 140266375 is 573662041.

It is a happy number.

It is not a de Polignac number, because 140266375 - 2³ = 140266367 is a prime.

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 140266375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560941 + ... + 561190.

It is an arithmetic number, because the mean of its divisors is an integer number (21881574).

Almost surely, 2^140266375 is an apocalyptic number.

140266375 is a deficient number, since it is larger than the sum of its proper divisors (34786217).

140266375 is an equidigital number, since it uses as much as digits as its factorization.

140266375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122146 (or 1122136 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 140266375 is about 11843.4106151902. The cubic root of 140266375 is about 519.5785231166.

The spelling of 140266375 in words is "one hundred forty million, two hundred sixty-six thousand, three hundred seventy-five".