1369055389 has 16 divisors (see below), whose sum is σ = 1518966400. Its totient is φ = 1225730880.

The previous prime is 1369055377. The next prime is 1369055417. The reversal of 1369055389 is 9835509631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1369055389 - 2⁹ = 1369054877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369055189) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 154912 + ... + 163510.

It is an arithmetic number, because the mean of its divisors is an integer number (94935400).

Almost surely, 2^1369055389 is an apocalyptic number.

It is an amenable number.

1369055389 is a deficient number, since it is larger than the sum of its proper divisors (149911011).

1369055389 is a wasteful number, since it uses less digits than its factorization.

1369055389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 1369055389 is about 37000.7484924292. The cubic root of 1369055389 is about 1110.3852216501.

The spelling of 1369055389 in words is "one billion, three hundred sixty-nine million, fifty-five thousand, three hundred eighty-nine".