140266 has 16 divisors (see below), whose sum is σ = 247104. Its totient is φ = 58464.

The previous prime is 140263. The next prime is 140269. The reversal of 140266 is 662041.

140266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140263) and next prime (140269).

It is not an unprimeable number, because it can be changed into a prime (140263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 718.

It is an arithmetic number, because the mean of its divisors is an integer number (15444).

2¹⁴⁰²⁶⁶ is an apocalyptic number.

140266 is a deficient number, since it is larger than the sum of its proper divisors (106838).

140266 is a wasteful number, since it uses less digits than its factorization.

140266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140266 is about 374.5210274471. The cubic root of 140266 is about 51.9578060088.

It can be divided in two parts, 140 and 266, that added together give a triangular number (406 = T₂₈).

The spelling of 140266 in words is "one hundred forty thousand, two hundred sixty-six".