140281645842 has 96 divisors (see below), whose sum is σ = 355666321920. Its totient is φ = 39572686080.

The previous prime is 140281645817. The next prime is 140281645883. The reversal of 140281645842 is 248546182041.

140281645842 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 8 + 1 + 64 + 584 + 2 = 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 47 ways as a sum of consecutive naturals, for example, 371083 + ... + 646734.

It is an arithmetic number, because the mean of its divisors is an integer number (3704857520).

Almost surely, 2^140281645842 is an apocalyptic number.

140281645842 is an abundant number, since it is smaller than the sum of its proper divisors (215384676078).

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

140281645842 is a wasteful number, since it uses less digits than its factorization.

140281645842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017888 (or 1017885 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 140281645842 in words is "one hundred forty billion, two hundred eighty-one million, six hundred forty-five thousand, eight hundred forty-two".