1365334189 has 4 divisors (see below), whose sum is σ = 1384564320. Its totient is φ = 1346104060.

The previous prime is 1365334171. The next prime is 1365334193. The reversal of 1365334189 is 9814335631.

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: 9814335631 = 677 ⋅14496803.

It is a cyclic number.

It is not a de Polignac number, because 1365334189 - 2²¹ = 1363237037 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 (1365335189) 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, 9614959 + ... + 9615100.

It is an arithmetic number, because the mean of its divisors is an integer number (346141080).

Almost surely, 2^1365334189 is an apocalyptic number.

It is an amenable number.

1365334189 is a deficient number, since it is larger than the sum of its proper divisors (19230131).

1365334189 is an equidigital number, since it uses as much as digits as its factorization.

1365334189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19230130.

The product of its digits is 233280, while the sum is 43.

The square root of 1365334189 is about 36950.4288067135. The cubic root of 1365334189 is about 1109.3782707134.

The spelling of 1365334189 in words is "one billion, three hundred sixty-five million, three hundred thirty-four thousand, one hundred eighty-nine".