140912 has 10 divisors (see below), whose sum is σ = 273048. Its totient is φ = 70448.

The previous prime is 140909. The next prime is 140929. The reversal of 140912 is 219041.

It is a happy number.

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 as a sum of consecutive naturals, namely, 4388 + ... + 4419.

2¹⁴⁰⁹¹² is an apocalyptic number.

It is an amenable number.

140912 is a deficient number, since it is larger than the sum of its proper divisors (132136).

140912 is an equidigital number, since it uses as much as digits as its factorization.

140912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815 (or 8809 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 140912 is about 375.3824716206. The cubic root of 140912 is about 52.0374483698.

Adding to 140912 its reverse (219041), we get a palindrome (359953).

It can be divided in two parts, 14091 and 2, that multiplied together give a palindrome (28182).

The spelling of 140912 in words is "one hundred forty thousand, nine hundred twelve".