140027136804 has 45 divisors (see below), whose sum is σ = 366076204417. Its totient is φ = 46673467056.

The previous prime is 140027136791. The next prime is 140027136841. The reversal of 140027136804 is 408631720041.

The square root of 140027136804 is 374202.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 123694296804 + 16332840000 = 351702^2 + 127800^2 .

It is a super-2 number, since 2×140027136804² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

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 14 ways as a sum of consecutive naturals, for example, 6725242 + ... + 6746030.

Almost surely, 2^140027136804 is an apocalyptic number.

140027136804 is the 374202-nd square number.

It is an amenable number.

140027136804 is an abundant number, since it is smaller than the sum of its proper divisors (226049067613).

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

140027136804 is an frugal number, since it uses more digits than its factorization.

140027136804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41594 (or 20794 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Multiplying 140027136804 by its sum of digits (36), we get a square (5040976924944 = 2245212²).

140027136804 divided by its sum of digits (36) gives a square (3889642689 = 62367²).

Adding to 140027136804 its reverse (408631720041), we get a palindrome (548658856845).

The spelling of 140027136804 in words is "one hundred forty billion, twenty-seven million, one hundred thirty-six thousand, eight hundred four".