140302263 has 8 divisors (see below), whose sum is σ = 187173376. Its totient is φ = 93483000.

The previous prime is 140302259. The next prime is 140302271. The reversal of 140302263 is 362203041.

It is a happy number.

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

It is not a de Polignac number, because 140302263 - 2² = 140302259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140302243) 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 7 ways as a sum of consecutive naturals, for example, 6133 + ... + 17838.

It is an arithmetic number, because the mean of its divisors is an integer number (23396672).

Almost surely, 2^140302263 is an apocalyptic number.

140302263 is a deficient number, since it is larger than the sum of its proper divisors (46871113).

140302263 is a wasteful number, since it uses less digits than its factorization.

140302263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25925.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 140302263 is about 11844.9256223921. The cubic root of 140302263 is about 519.6228317733.

The spelling of 140302263 in words is "one hundred forty million, three hundred two thousand, two hundred sixty-three".