140449212 has 18 divisors (see below), whose sum is σ = 355024488. Its totient is φ = 46816392.

The previous prime is 140449187. The next prime is 140449229. The reversal of 140449212 is 212944041.

It is a happy number.

140449212 is a `hidden beast` number, since 1 + 4 + 0 + 449 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1950648 + ... + 1950719.

Almost surely, 2^140449212 is an apocalyptic number.

140449212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140449212 is an abundant number, since it is smaller than the sum of its proper divisors (214575276).

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

140449212 is a wasteful number, since it uses less digits than its factorization.

140449212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901377 (or 3901372 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 140449212 is about 11851.1270350123. The cubic root of 140449212 is about 519.8041816933.

The spelling of 140449212 in words is "one hundred forty million, four hundred forty-nine thousand, two hundred twelve".