140623112646 has 48 divisors (see below), whose sum is σ = 307997031888. Its totient is φ = 46365480000.

The previous prime is 140623112629. The next prime is 140623112647. The reversal of 140623112646 is 646211326041.

140623112646 is a `hidden beast` number, since 1 + 4 + 0 + 6 + 2 + 3 + 1 + 1 + 2 + 646 = 666.

140623112646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140623112646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140623112647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1873920 + ... + 1947516.

It is an arithmetic number, because the mean of its divisors is an integer number (6416604831).

Almost surely, 2^140623112646 is an apocalyptic number.

140623112646 is an abundant number, since it is smaller than the sum of its proper divisors (167373919242).

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

140623112646 is a wasteful number, since it uses less digits than its factorization.

140623112646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74757 (or 74754 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 140623112646 its reverse (646211326041), we get a palindrome (786834438687).

The spelling of 140623112646 in words is "one hundred forty billion, six hundred twenty-three million, one hundred twelve thousand, six hundred forty-six".