140591073 has 16 divisors (see below), whose sum is σ = 215016320. Its totient is φ = 80044416.

The previous prime is 140591063. The next prime is 140591119. The reversal of 140591073 is 370195041.

140591073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140591073 - 2¹⁰ = 140590049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140591073.

It is not an unprimeable number, because it can be changed into a prime (140591063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6268 + ... + 17901.

It is an arithmetic number, because the mean of its divisors is an integer number (13438520).

Almost surely, 2^140591073 is an apocalyptic number.

It is an amenable number.

140591073 is a deficient number, since it is larger than the sum of its proper divisors (74425247).

140591073 is a wasteful number, since it uses less digits than its factorization.

140591073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24456.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 140591073 is about 11857.1106514193. The cubic root of 140591073 is about 519.9791325452.

The spelling of 140591073 in words is "one hundred forty million, five hundred ninety-one thousand, seventy-three".