1139393 has 2 divisors, whose sum is σ = 1139394. Its totient is φ = 1139392.

The previous prime is 1139387. The next prime is 1139407. The reversal of 1139393 is 3939311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935089 + 204304 = 967^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139393 - 2⁶ = 1139329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1139353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569696 + 569697.

It is an arithmetic number, because the mean of its divisors is an integer number (569697).

2^1139393 is an apocalyptic number.

It is an amenable number.

1139393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139393 is an equidigital number, since it uses as much as digits as its factorization.

1139393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2187, while the sum is 29.

The square root of 1139393 is about 1067.4235335611. The cubic root of 1139393 is about 104.4458484881.

The spelling of 1139393 in words is "one million, one hundred thirty-nine thousand, three hundred ninety-three".