1139605393 has 8 divisors (see below), whose sum is σ = 1169169408. Its totient is φ = 1110180624.

The previous prime is 1139605391. The next prime is 1139605433. The reversal of 1139605393 is 3935069311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1139605393 - 2¹ = 1139605391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139605391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18130 + ... + 51067.

It is an arithmetic number, because the mean of its divisors is an integer number (146146176).

Almost surely, 2^1139605393 is an apocalyptic number.

It is an amenable number.

1139605393 is a deficient number, since it is larger than the sum of its proper divisors (29564015).

1139605393 is an equidigital number, since it uses as much as digits as its factorization.

1139605393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69623.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 1139605393 is about 33758.0419011530. The cubic root of 1139605393 is about 1044.5233796356.

The spelling of 1139605393 in words is "one billion, one hundred thirty-nine million, six hundred five thousand, three hundred ninety-three".