140263293 has 16 divisors (see below), whose sum is σ = 188914880. Its totient is φ = 92565504.

The previous prime is 140263273. The next prime is 140263303. The reversal of 140263293 is 392362041.

It is not a de Polignac number, because 140263293 - 2⁹ = 140262781 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 140263293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140263213) 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 15 ways as a sum of consecutive naturals, for example, 182013 + ... + 182781.

It is an arithmetic number, because the mean of its divisors is an integer number (11807180).

Almost surely, 2^140263293 is an apocalyptic number.

It is an amenable number.

140263293 is a deficient number, since it is larger than the sum of its proper divisors (48651587).

140263293 is a wasteful number, since it uses less digits than its factorization.

140263293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 140263293 is about 11843.2804999291. The cubic root of 140263293 is about 519.5747176126.

The spelling of 140263293 in words is "one hundred forty million, two hundred sixty-three thousand, two hundred ninety-three".