140812 has 24 divisors (see below), whose sum is σ = 290304. Its totient is φ = 58512.

The previous prime is 140797. The next prime is 140813. The reversal of 140812 is 218041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140813) 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, 1263 + ... + 1369.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

2¹⁴⁰⁸¹² is an apocalyptic number.

140812 is the 188-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152).

140812 is an abundant number, since it is smaller than the sum of its proper divisors (149492).

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

140812 is a wasteful number, since it uses less digits than its factorization.

140812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 140812 is about 375.2492504989. The cubic root of 140812 is about 52.0251357769.

Adding to 140812 its reverse (218041), we get a palindrome (358853).

The spelling of 140812 in words is "one hundred forty thousand, eight hundred twelve".