140336165 has 4 divisors (see below), whose sum is σ = 168403404. Its totient is φ = 112268928.

The previous prime is 140336137. The next prime is 140336213. The reversal of 140336165 is 561633041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39715204 + 100620961 = 6302^2 + 10031^2 .

It is a cyclic number.

It is not a de Polignac number, because 140336165 - 2¹⁰ = 140335141 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 14033612 + ... + 14033621.

It is an arithmetic number, because the mean of its divisors is an integer number (42100851).

Almost surely, 2^140336165 is an apocalyptic number.

It is an amenable number.

140336165 is a deficient number, since it is larger than the sum of its proper divisors (28067239).

140336165 is an equidigital number, since it uses as much as digits as its factorization.

140336165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28067238.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 140336165 is about 11846.3566129000. The cubic root of 140336165 is about 519.6646815010.

The spelling of 140336165 in words is "one hundred forty million, three hundred thirty-six thousand, one hundred sixty-five".