140816 has 20 divisors (see below), whose sum is σ = 294252. Its totient is φ = 64896.

The previous prime is 140813. The next prime is 140827. The reversal of 140816 is 618041.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 48400 = 304^2 + 220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 546.

2¹⁴⁰⁸¹⁶ is an apocalyptic number.

140816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140816 is an abundant number, since it is smaller than the sum of its proper divisors (153436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140816 is a wasteful number, since it uses less digits than its factorization.

140816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 140816 is about 375.2545802519. The cubic root of 140816 is about 52.0256283925.

Adding to 140816 its reverse (618041), we get a palindrome (758857).

The spelling of 140816 in words is "one hundred forty thousand, eight hundred sixteen".