140682273 has 4 divisors (see below), whose sum is σ = 187576368. Its totient is φ = 93788180.

The previous prime is 140682271. The next prime is 140682281. The reversal of 140682273 is 372286041.

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: 372286041 = 3 ⋅124095347.

It is a cyclic number.

It is not a de Polignac number, because 140682273 - 2¹ = 140682271 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140682271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23447043 + ... + 23447048.

It is an arithmetic number, because the mean of its divisors is an integer number (46894092).

Almost surely, 2^140682273 is an apocalyptic number.

It is an amenable number.

140682273 is a deficient number, since it is larger than the sum of its proper divisors (46894095).

140682273 is an equidigital number, since it uses as much as digits as its factorization.

140682273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46894094.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 140682273 is about 11860.9558215179. The cubic root of 140682273 is about 520.0915433015.

The spelling of 140682273 in words is "one hundred forty million, six hundred eighty-two thousand, two hundred seventy-three".