1394302369 has 4 divisors (see below), whose sum is σ = 1401380244. Its totient is φ = 1387224496.

The previous prime is 1394302303. The next prime is 1394302381. The reversal of 1394302369 is 9632034931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9632034931 = 15991 ⋅602341.

It can be written as a sum of positive squares in 2 ways, for example, as 1379379600 + 14922769 = 37140^2 + 3863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394302369 - 2⁷ = 1394302241 is a prime.

It is a super-2 number, since 2×1394302369² = 3888158192398024322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1394302069) 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, 3538642 + ... + 3539035.

It is an arithmetic number, because the mean of its divisors is an integer number (350345061).

Almost surely, 2^1394302369 is an apocalyptic number.

It is an amenable number.

1394302369 is a deficient number, since it is larger than the sum of its proper divisors (7077875).

1394302369 is an equidigital number, since it uses as much as digits as its factorization.

1394302369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077874.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 1394302369 is about 37340.3584476636. The cubic root of 1394302369 is about 1117.1692889707.

The spelling of 1394302369 in words is "one billion, three hundred ninety-four million, three hundred two thousand, three hundred sixty-nine".