140147 has 4 divisors (see below), whose sum is σ = 160176. Its totient is φ = 120120.

The previous prime is 140143. The next prime is 140159. The reversal of 140147 is 741041.

140147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741041 = 7 ⋅105863.

It is not a de Polignac number, because 140147 - 2² = 140143 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140147.

It is not an unprimeable number, because it can be changed into a prime (140143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10004 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (40044).

2¹⁴⁰¹⁴⁷ is an apocalyptic number.

140147 is a deficient number, since it is larger than the sum of its proper divisors (20029).

140147 is an equidigital number, since it uses as much as digits as its factorization.

140147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 140147 is about 374.3621241525. The cubic root of 140147 is about 51.9431083908.

Adding to 140147 its reverse (741041), we get a palindrome (881188).

The spelling of 140147 in words is "one hundred forty thousand, one hundred forty-seven", and thus it is an iban number.