140211648 has 280 divisors, whose sum is σ = 462485232. Its totient is φ = 41803776.

The previous prime is 140211647. The next prime is 140211661. The reversal of 140211648 is 846112041.

It is a happy number.

140211648 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 11 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140211647) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 3260715 + ... + 3260757.

Almost surely, 2^140211648 is an apocalyptic number.

140211648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140211648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231242616).

140211648 is an abundant number, since it is smaller than the sum of its proper divisors (322273584).

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

140211648 is a wasteful number, since it uses less digits than its factorization.

140211648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 140211648 is about 11841.0999489068. The cubic root of 140211648 is about 519.5109405788.

Adding to 140211648 its reverse (846112041), we get a palindrome (986323689).

The spelling of 140211648 in words is "one hundred forty million, two hundred eleven thousand, six hundred forty-eight".