140956 has 12 divisors (see below), whose sum is σ = 249480. Its totient is φ = 69680.

The previous prime is 140939. The next prime is 140977. The reversal of 140956 is 659041.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 140956.

It is a congruent number.

It is an unprimeable number.

140956 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390 + ... + 658.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2¹⁴⁰⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

140956 is a deficient number, since it is larger than the sum of its proper divisors (108524).

140956 is a wasteful number, since it uses less digits than its factorization.

140956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 140956 is about 375.4410739384. The cubic root of 140956 is about 52.0428640653.

Subtracting from 140956 its product of nonzero digits (1080), we obtain a square (139876 = 374²).

Adding to 140956 its reverse (659041), we get a palindrome (799997).

The spelling of 140956 in words is "one hundred forty thousand, nine hundred fifty-six".