140633856 has 216 divisors, whose sum is σ = 459164160. Its totient is φ = 41011200.

The previous prime is 140633827. The next prime is 140633879. The reversal of 140633856 is 658336041.

140633856 is a `hidden beast` number, since 14 + 0 + 633 + 8 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140633856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785575 + ... + 785753.

It is an arithmetic number, because the mean of its divisors is an integer number (2125760).

Almost surely, 2^140633856 is an apocalyptic number.

140633856 is a gapful number since it is divisible by the number (16) 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 140633856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229582080).

140633856 is an abundant number, since it is smaller than the sum of its proper divisors (318530304).

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

140633856 is a wasteful number, since it uses less digits than its factorization.

140633856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 140633856 is about 11858.9146214989. The cubic root of 140633856 is about 520.0318718137.

Adding to 140633856 its reverse (658336041), we get a palindrome (798969897).

The spelling of 140633856 in words is "one hundred forty million, six hundred thirty-three thousand, eight hundred fifty-six".