140238122836 has 12 divisors (see below), whose sum is σ = 280476245728. Its totient is φ = 60102052632.

The previous prime is 140238122833. The next prime is 140238122851. The reversal of 140238122836 is 638221832041.

140238122836 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140238122833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504252166 + ... + 2504252221.

Almost surely, 2^140238122836 is an apocalyptic number.

It is an amenable number.

140238122836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140238122836 is a wasteful number, since it uses less digits than its factorization.

140238122836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008504398 (or 5008504396 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

Adding to 140238122836 its reverse (638221832041), we get a palindrome (778459954877).

The spelling of 140238122836 in words is "one hundred forty billion, two hundred thirty-eight million, one hundred twenty-two thousand, eight hundred thirty-six".