140523316 has 24 divisors (see below), whose sum is σ = 261989280. Its totient is φ = 65758752.

The previous prime is 140523283. The next prime is 140523329. The reversal of 140523316 is 613325041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4831 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (10916220).

Almost surely, 2^140523316 is an apocalyptic number.

It is an amenable number.

140523316 is a deficient number, since it is larger than the sum of its proper divisors (121465964).

140523316 is a wasteful number, since it uses less digits than its factorization.

140523316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22383 (or 22381 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 140523316 is about 11854.2530764279. The cubic root of 140523316 is about 519.8955855442.

Adding to 140523316 its reverse (613325041), we get a palindrome (753848357).

The spelling of 140523316 in words is "one hundred forty million, five hundred twenty-three thousand, three hundred sixteen".