140947 has 4 divisors (see below), whose sum is σ = 149256. Its totient is φ = 132640.

The previous prime is 140939. The next prime is 140977. The reversal of 140947 is 749041.

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 140947 - 2³ = 140939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140977) 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, 4129 + ... + 4162.

It is an arithmetic number, because the mean of its divisors is an integer number (37314).

2¹⁴⁰⁹⁴⁷ is an apocalyptic number.

140947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140947 is a deficient number, since it is larger than the sum of its proper divisors (8309).

140947 is an equidigital number, since it uses as much as digits as its factorization.

140947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 140947 is about 375.4290878448. The cubic root of 140947 is about 52.0417564011.

Adding to 140947 its reverse (749041), we get a palindrome (889988).

The spelling of 140947 in words is "one hundred forty thousand, nine hundred forty-seven".