13603542136804 has 27 divisors (see below), whose sum is σ = 23887972638243. Its totient is φ = 6778486843128.

The previous prime is 13603542136799. The next prime is 13603542136817. The reversal of 13603542136804 is 40863124530631.

It is a happy number.

The square root of 13603542136804 is 3688298.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2264611969 + ... + 2264617975.

Almost surely, 2^{13603542136804} is an apocalyptic number.

13603542136804 is the 3688298-th square number.

It is an amenable number.

13603542136804 is a deficient number, since it is larger than the sum of its proper divisors (10284430501439).

13603542136804 is an frugal number, since it uses more digits than its factorization.

13603542136804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632 (or 6316 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

It can be divided in two parts, 136035421 and 36804, that added together give a square (136072225 = 11665²).

The spelling of 13603542136804 in words is "thirteen trillion, six hundred three billion, five hundred forty-two million, one hundred thirty-six thousand, eight hundred four".