140073 has 4 divisors (see below), whose sum is σ = 186768. Its totient is φ = 93380.

The previous prime is 140071. The next prime is 140111. The reversal of 140073 is 370041.

140073 is nontrivially palindromic in base 14.

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 not a de Polignac number, because 140073 - 2¹ = 140071 is a prime.

It is a D-number.

140073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (140071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23343 + ... + 23348.

It is an arithmetic number, because the mean of its divisors is an integer number (46692).

2¹⁴⁰⁰⁷³ is an apocalyptic number.

It is an amenable number.

140073 is a deficient number, since it is larger than the sum of its proper divisors (46695).

140073 is an equidigital number, since it uses as much as digits as its factorization.

140073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46694.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 140073 is about 374.2632763176. The cubic root of 140073 is about 51.9339644996.

The spelling of 140073 in words is "one hundred forty thousand, seventy-three", and thus it is an iban number.