1369542241 has 4 divisors (see below), whose sum is σ = 1369799572. Its totient is φ = 1369284912.

The previous prime is 1369542233. The next prime is 1369542257. The reversal of 1369542241 is 1422459631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1422459631 = 3011 ⋅472421.

It can be written as a sum of positive squares in 2 ways, for example, as 841232016 + 528310225 = 29004^2 + 22985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369542241 - 2³ = 1369542233 is a prime.

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 1369542241.

It is not an unprimeable number, because it can be changed into a prime (1369542221) 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 3 ways as a sum of consecutive naturals, for example, 120510 + ... + 131383.

It is an arithmetic number, because the mean of its divisors is an integer number (342449893).

Almost surely, 2^1369542241 is an apocalyptic number.

It is an amenable number.

1369542241 is a deficient number, since it is larger than the sum of its proper divisors (257331).

1369542241 is an equidigital number, since it uses as much as digits as its factorization.

1369542241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257330.

The product of its digits is 51840, while the sum is 37.

The square root of 1369542241 is about 37007.3268556377. The cubic root of 1369542241 is about 1110.5168280122.

The spelling of 1369542241 in words is "one billion, three hundred sixty-nine million, five hundred forty-two thousand, two hundred forty-one".