140743293 has 8 divisors (see below), whose sum is σ = 194128800. Its totient is φ = 90593328.

The previous prime is 140743271. The next prime is 140743297. The reversal of 140743293 is 392347041.

140743293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140743293 - 2¹⁴ = 140726909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140743297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808783 + ... + 808956.

It is an arithmetic number, because the mean of its divisors is an integer number (24266100).

Almost surely, 2^140743293 is an apocalyptic number.

It is an amenable number.

140743293 is a deficient number, since it is larger than the sum of its proper divisors (53385507).

140743293 is a wasteful number, since it uses less digits than its factorization.

140743293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617771.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 140743293 is about 11863.5278479886. The cubic root of 140743293 is about 520.1667278479.

The spelling of 140743293 in words is "one hundred forty million, seven hundred forty-three thousand, two hundred ninety-three".