140253463656 has 128 divisors (see below), whose sum is σ = 398115648000. Its totient is φ = 45729605376.

The previous prime is 140253463643. The next prime is 140253463673. The reversal of 140253463656 is 656364352041.

140253463656 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 5 + 3 + 4 + 636 + 5 + 6 = 666.

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 31 ways as a sum of consecutive naturals, for example, 24737590 + ... + 24743258.

It is an arithmetic number, because the mean of its divisors is an integer number (3110278500).

Almost surely, 2^140253463656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140253463656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199057824000).

140253463656 is an abundant number, since it is smaller than the sum of its proper divisors (257862184344).

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

140253463656 is a wasteful number, since it uses less digits than its factorization.

140253463656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8168 (or 8158 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 140253463656 in words is "one hundred forty billion, two hundred fifty-three million, four hundred sixty-three thousand, six hundred fifty-six".