140266267 has 4 divisors (see below), whose sum is σ = 142565776. Its totient is φ = 137966760.

The previous prime is 140266237. The next prime is 140266279. The reversal of 140266267 is 762662041.

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 140266267 - 2¹¹ = 140264219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140266237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149663 + ... + 1149784.

It is an arithmetic number, because the mean of its divisors is an integer number (35641444).

Almost surely, 2^140266267 is an apocalyptic number.

140266267 is a deficient number, since it is larger than the sum of its proper divisors (2299509).

140266267 is an equidigital number, since it uses as much as digits as its factorization.

140266267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299508.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 140266267 is about 11843.4060556919. The cubic root of 140266267 is about 519.5783897644.

The spelling of 140266267 in words is "one hundred forty million, two hundred sixty-six thousand, two hundred sixty-seven".