140811248 has 40 divisors (see below), whose sum is σ = 283963968. Its totient is φ = 67588352.

The previous prime is 140811193. The next prime is 140811353. The reversal of 140811248 is 842118041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140811248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38090 + ... + 41622.

Almost surely, 2^140811248 is an apocalyptic number.

It is an amenable number.

140811248 is an abundant number, since it is smaller than the sum of its proper divisors (143152720).

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

140811248 is a wasteful number, since it uses less digits than its factorization.

140811248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 140811248 is about 11866.3915323910. The cubic root of 140811248 is about 520.2504316412.

Adding to 140811248 its reverse (842118041), we get a palindrome (982929289).

The spelling of 140811248 in words is "one hundred forty million, eight hundred eleven thousand, two hundred forty-eight".