140173273 has 4 divisors (see below), whose sum is σ = 140204560. Its totient is φ = 140141988.

The previous prime is 140173259. The next prime is 140173277. The reversal of 140173273 is 372371041.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140173273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140173277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7515 + ... + 18352.

It is an arithmetic number, because the mean of its divisors is an integer number (35051140).

Almost surely, 2^140173273 is an apocalyptic number.

It is an amenable number.

140173273 is a deficient number, since it is larger than the sum of its proper divisors (31287).

140173273 is an equidigital number, since it uses as much as digits as its factorization.

140173273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31286.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 140173273 is about 11839.4794226773. The cubic root of 140173273 is about 519.4635406856.

The spelling of 140173273 in words is "one hundred forty million, one hundred seventy-three thousand, two hundred seventy-three".