162140 has 36 divisors (see below), whose sum is σ = 379848. Its totient is φ = 58080.

The previous prime is 162119. The next prime is 162143. The reversal of 162140 is 41261.

Added to its reverse (41261) it gives a square (203401 = 451²).

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 162140.

It is not an unprimeable number, because it can be changed into a prime (162143) by changing a digit.

162140 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 11 ways as a sum of consecutive naturals, for example, 2387 + ... + 2453.

2¹⁶²¹⁴⁰ is an apocalyptic number.

162140 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 162140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189924).

162140 is an abundant number, since it is smaller than the sum of its proper divisors (217708).

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

162140 is a wasteful number, since it uses less digits than its factorization.

162140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 162140 is about 402.6661147899. Note that the first 3 decimals coincide. The cubic root of 162140 is about 54.5293167748.

Adding to 162140 its reverse (41261), we get a square (203401 = 451²).

It can be divided in two parts, 1621 and 40, that added together give a palindrome (1661).

The spelling of 162140 in words is "one hundred sixty-two thousand, one hundred forty".