140616 has 80 divisors (see below), whose sum is σ = 464640. Its totient is φ = 38880.

The previous prime is 140611. The next prime is 140617. The reversal of 140616 is 616041.

140616 = T₄₁ + T₄₂ + ... + T₉₆.

140616 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140616.

It is not an unprimeable number, because it can be changed into a prime (140611) by changing a digit.

140616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4521 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (5808).

2¹⁴⁰⁶¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232320).

140616 is an abundant number, since it is smaller than the sum of its proper divisors (324024).

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

140616 is a wasteful number, since it uses less digits than its factorization.

140616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 140616 is about 374.9879998080. The cubic root of 140616 is about 52.0009861746. Note that the first 3 decimals are identical.

Adding to 140616 its reverse (616041), we get a palindrome (756657).

The spelling of 140616 in words is "one hundred forty thousand, six hundred sixteen".