208140 has 24 divisors (see below), whose sum is σ = 582960. Its totient is φ = 55488.

The previous prime is 208139. The next prime is 208141. The reversal of 208140 is 41802.

It is an interprime number because it is at equal distance from previous prime (208139) and next prime (208141).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 208140.

It is not an unprimeable number, because it can be changed into a prime (208141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675 + ... + 1794.

It is an arithmetic number, because the mean of its divisors is an integer number (24290).

2²⁰⁸¹⁴⁰ is an apocalyptic number.

208140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208140 is an abundant number, since it is smaller than the sum of its proper divisors (374820).

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

208140 is a wasteful number, since it uses less digits than its factorization.

208140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3479 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 208140 is about 456.2236293749. The cubic root of 208140 is about 59.2632116384.

Adding to 208140 its reverse (41802), we get a palindrome (249942).

The spelling of 208140 in words is "two hundred eight thousand, one hundred forty".