140551509604 has 27 divisors (see below), whose sum is σ = 270374245113. Its totient is φ = 63883300800.

The previous prime is 140551509563. The next prime is 140551509611. The reversal of 140551509604 is 406905155041.

It is a happy number.

The square root of 140551509604 is 374902.

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., 127664719204 + 12886790400 = 357302^2 + 113520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8239324 + ... + 8256364.

Almost surely, 2^140551509604 is an apocalyptic number.

140551509604 is the 374902-nd square number.

It is an amenable number.

140551509604 is a deficient number, since it is larger than the sum of its proper divisors (129822735509).

140551509604 is an frugal number, since it uses more digits than its factorization.

140551509604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34108 (or 17054 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 140551509604 in words is "one hundred forty billion, five hundred fifty-one million, five hundred nine thousand, six hundred four".