14138636836 has 9 divisors (see below), whose sum is σ = 24743030641. Its totient is φ = 7069199512.

The previous prime is 14138636819. The next prime is 14138636879. The reversal of 14138636836 is 63863683141.

The square root of 14138636836 is 118906.

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

14138636836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11592828900 + 2545807936 = 107670^2 + 50456^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14138636836.

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 2 ways as a sum of consecutive naturals, for example, 208086 + ... + 267538.

Almost surely, 2^14138636836 is an apocalyptic number.

14138636836 is the 118906-th square number.

It is an amenable number.

14138636836 is a deficient number, since it is larger than the sum of its proper divisors (10604393805).

14138636836 is an frugal number, since it uses more digits than its factorization.

14138636836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118910 (or 59455 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

Multiplying 14138636836 by its sum of digits (49), we get a square (692793204964 = 832342²).

The spelling of 14138636836 in words is "fourteen billion, one hundred thirty-eight million, six hundred thirty-six thousand, eight hundred thirty-six".