140010665 has 8 divisors (see below), whose sum is σ = 168082560. Its totient is φ = 111962032.

The previous prime is 140010659. The next prime is 140010671. The reversal of 140010665 is 566010041.

It is an interprime number because it is at equal distance from previous prime (140010659) and next prime (140010671).

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

It is a cyclic number.

It is not a de Polignac number, because 140010665 - 2¹² = 140006569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140010665.

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, 12926 + ... + 21144.

It is an arithmetic number, because the mean of its divisors is an integer number (21010320).

Almost surely, 2^140010665 is an apocalyptic number.

It is an amenable number.

140010665 is a deficient number, since it is larger than the sum of its proper divisors (28071895).

140010665 is an equidigital number, since it uses as much as digits as its factorization.

140010665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 140010665 is about 11832.6102361229. The cubic root of 140010665 is about 519.2625950764.

The spelling of 140010665 in words is "one hundred forty million, ten thousand, six hundred sixty-five".