140500 has 24 divisors (see below), whose sum is σ = 307944. Its totient is φ = 56000.

The previous prime is 140477. The next prime is 140521. The reversal of 140500 is 5041.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 138384 = 46^2 + 372^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 640.

It is an arithmetic number, because the mean of its divisors is an integer number (12831).

2¹⁴⁰⁵⁰⁰ is an apocalyptic number.

140500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153972).

140500 is an abundant number, since it is smaller than the sum of its proper divisors (167444).

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

140500 is a wasteful number, since it uses less digits than its factorization.

140500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 140500 is about 374.8332962798. The cubic root of 140500 is about 51.9866829804.

Adding to 140500 its reverse (5041), we get a palindrome (145541).

The spelling of 140500 in words is "one hundred forty thousand, five hundred".