140054636502 has 144 divisors (see below), whose sum is σ = 358827732432. Its totient is φ = 39119656320.

The previous prime is 140054636473. The next prime is 140054636551. The reversal of 140054636502 is 205636450041.

140054636502 is a `hidden beast` number, since 1 + 40 + 0 + 54 + 63 + 6 + 502 = 666.

140054636502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 2618208 + ... + 2671164.

It is an arithmetic number, because the mean of its divisors is an integer number (2491859253).

Almost surely, 2^140054636502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140054636502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179413866216).

140054636502 is an abundant number, since it is smaller than the sum of its proper divisors (218773095930).

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

140054636502 is a wasteful number, since it uses less digits than its factorization.

140054636502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53051 (or 53029 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 140054636502 in words is "one hundred forty billion, fifty-four million, six hundred thirty-six thousand, five hundred two".