1369444036 has 9 divisors (see below), whose sum is σ = 2396656591. Its totient is φ = 684685012.

The previous prime is 1369443997. The next prime is 1369444073. The reversal of 1369444036 is 6304449631.

The square root of 1369444036 is 37006.

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

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 1369444036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 64761 + ... + 83263.

Almost surely, 2^1369444036 is an apocalyptic number.

1369444036 is the 37006-th square number.

It is an amenable number.

1369444036 is a deficient number, since it is larger than the sum of its proper divisors (1027212555).

1369444036 is an frugal number, since it uses more digits than its factorization.

1369444036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37010 (or 18505 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The cubic root of 1369444036 is about 1110.4902836413.

Multiplying 1369444036 by its product of nonzero digits (186624), we get a square (255571123774464 = 15986592²).

The spelling of 1369444036 in words is "one billion, three hundred sixty-nine million, four hundred forty-four thousand, thirty-six".