140553912 has 16 divisors (see below), whose sum is σ = 351384840. Its totient is φ = 46851296.

The previous prime is 140553901. The next prime is 140553913. The reversal of 140553912 is 219355041.

It is a self number, because there is not a number n which added to its sum of digits gives 140553912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140553913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2928183 + ... + 2928230.

Almost surely, 2^140553912 is an apocalyptic number.

140553912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140553912 is an abundant number, since it is smaller than the sum of its proper divisors (210830928).

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

140553912 is a wasteful number, since it uses less digits than its factorization.

140553912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856422 (or 5856418 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 140553912 is about 11855.5435134793. The cubic root of 140553912 is about 519.9333149200.

Subtracting 140553912 from its reverse (219355041), we obtain a square (78801129 = 8877²).

The spelling of 140553912 in words is "one hundred forty million, five hundred fifty-three thousand, nine hundred twelve".