140665103 has 4 divisors (see below), whose sum is σ = 140735160. Its totient is φ = 140595048.

The previous prime is 140665097. The next prime is 140665111. The reversal of 140665103 is 301566041.

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

It is a cyclic number.

It is not a de Polignac number, because 140665103 - 2¹⁰ = 140664079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140665153) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31925 + ... + 36062.

It is an arithmetic number, because the mean of its divisors is an integer number (35183790).

Almost surely, 2^140665103 is an apocalyptic number.

140665103 is a deficient number, since it is larger than the sum of its proper divisors (70057).

140665103 is an equidigital number, since it uses as much as digits as its factorization.

140665103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70056.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 140665103 is about 11860.2319960446. The cubic root of 140665103 is about 520.0703837175.

The spelling of 140665103 in words is "one hundred forty million, six hundred sixty-five thousand, one hundred three".