1369565741 has 4 divisors (see below), whose sum is σ = 1370085792. Its totient is φ = 1369045692.

The previous prime is 1369565723. The next prime is 1369565753. The reversal of 1369565741 is 1475659631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1475659631 = 7699 ⋅191669.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1369565741 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 (1369565941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256055 + ... + 261348.

It is an arithmetic number, because the mean of its divisors is an integer number (342521448).

Almost surely, 2^1369565741 is an apocalyptic number.

It is an amenable number.

1369565741 is a deficient number, since it is larger than the sum of its proper divisors (520051).

1369565741 is an equidigital number, since it uses as much as digits as its factorization.

1369565741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520050.

The product of its digits is 680400, while the sum is 47.

The square root of 1369565741 is about 37007.6443589699. The cubic root of 1369565741 is about 1110.5231797687.

The spelling of 1369565741 in words is "one billion, three hundred sixty-nine million, five hundred sixty-five thousand, seven hundred forty-one".