140062636642 has 64 divisors (see below), whose sum is σ = 250946138880. Its totient is φ = 58113386496.

The previous prime is 140062636607. The next prime is 140062636673. The reversal of 140062636642 is 246636260041.

It is a junction number, because it is equal to n+sod(n) for n = 140062636595 and 140062636604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422358 + ... + 677134.

It is an arithmetic number, because the mean of its divisors is an integer number (3921033420).

Almost surely, 2^140062636642 is an apocalyptic number.

140062636642 is a deficient number, since it is larger than the sum of its proper divisors (110883502238).

140062636642 is a wasteful number, since it uses less digits than its factorization.

140062636642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254875.

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 140062636642 its reverse (246636260041), we get a palindrome (386698896683).

The spelling of 140062636642 in words is "one hundred forty billion, sixty-two million, six hundred thirty-six thousand, six hundred forty-two".