140786 has 4 divisors (see below), whose sum is σ = 211182. Its totient is φ = 70392.

The previous prime is 140779. The next prime is 140797. The reversal of 140786 is 687041.

140786 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.

It can be written as a sum of positive squares in only one way, i.e., 112225 + 28561 = 335^2 + 169^2 .

It is an unprimeable number.

140786 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 as a sum of consecutive naturals, namely, 35195 + ... + 35198.

2¹⁴⁰⁷⁸⁶ is an apocalyptic number.

140786 is a deficient number, since it is larger than the sum of its proper divisors (70396).

140786 is an equidigital number, since it uses as much as digits as its factorization.

140786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70395.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 140786 is about 375.2146052594. The cubic root of 140786 is about 52.0219335479.

The spelling of 140786 in words is "one hundred forty thousand, seven hundred eighty-six".