140663253 has 16 divisors (see below), whose sum is σ = 205433280. Its totient is φ = 85214976.

The previous prime is 140663231. The next prime is 140663267. The reversal of 140663253 is 352366041.

It is not a de Polignac number, because 140663253 - 2⁵ = 140663221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140663253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140663203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46075 + ... + 49032.

It is an arithmetic number, because the mean of its divisors is an integer number (12839580).

Almost surely, 2^140663253 is an apocalyptic number.

It is an amenable number.

140663253 is a deficient number, since it is larger than the sum of its proper divisors (64770027).

140663253 is a wasteful number, since it uses less digits than its factorization.

140663253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95156.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 140663253 is about 11860.1540040591. The cubic root of 140663253 is about 520.0681037527.

The spelling of 140663253 in words is "one hundred forty million, six hundred sixty-three thousand, two hundred fifty-three".