140272273 has 4 divisors (see below), whose sum is σ = 140408320. Its totient is φ = 140136228.

The previous prime is 140272271. The next prime is 140272283. The reversal of 140272273 is 372272041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 372272041 = 73 ⋅5099617.

It is a cyclic number.

It is not a de Polignac number, because 140272273 - 2¹ = 140272271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140272271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66465 + ... + 68542.

It is an arithmetic number, because the mean of its divisors is an integer number (35102080).

Almost surely, 2^140272273 is an apocalyptic number.

It is an amenable number.

140272273 is a deficient number, since it is larger than the sum of its proper divisors (136047).

140272273 is a wasteful number, since it uses less digits than its factorization.

140272273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136046.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 140272273 is about 11843.6596117923. The cubic root of 140272273 is about 519.5858055252.

The spelling of 140272273 in words is "one hundred forty million, two hundred seventy-two thousand, two hundred seventy-three".