1393361296 has 10 divisors (see below), whose sum is σ = 2699637542. Its totient is φ = 696680640.

The previous prime is 1393361243. The next prime is 1393361317. The reversal of 1393361296 is 6921633931.

It can be written as a sum of positive squares in only one way, i.e., 1271920896 + 121440400 = 35664^2 + 11020^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43542525 + ... + 43542556.

Almost surely, 2^1393361296 is an apocalyptic number.

1393361296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1393361296 is a deficient number, since it is larger than the sum of its proper divisors (1306276246).

1393361296 is an equidigital number, since it uses as much as digits as its factorization.

1393361296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87085089 (or 87085083 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 1393361296 is about 37327.7550356300. The cubic root of 1393361296 is about 1116.9178909724.

The spelling of 1393361296 in words is "one billion, three hundred ninety-three million, three hundred sixty-one thousand, two hundred ninety-six".