140946 has 24 divisors (see below), whose sum is σ = 307440. Its totient is φ = 43056.

The previous prime is 140939. The next prime is 140977. The reversal of 140946 is 649041.

140946 is nontrivially palindromic in base 12.

140946 is an undulating number in base 12.

It is a Curzon number.

It is an unprimeable number.

140946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945 + ... + 1083.

It is an arithmetic number, because the mean of its divisors is an integer number (12810).

2¹⁴⁰⁹⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153720).

140946 is an abundant number, since it is smaller than the sum of its proper divisors (166494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140946 is a wasteful number, since it uses less digits than its factorization.

140946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 140946 is about 375.4277560330. The cubic root of 140946 is about 52.0416333244.

Adding to 140946 its reverse (649041), we get a palindrome (789987).

The spelling of 140946 in words is "one hundred forty thousand, nine hundred forty-six".