1394231385 has 8 divisors (see below), whose sum is σ = 2230770240. Its totient is φ = 743590064.

The previous prime is 1394231383. The next prime is 1394231459. The reversal of 1394231385 is 5831324931.

It is a happy number.

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 1394231385 - 2¹ = 1394231383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1394231383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46474365 + ... + 46474394.

It is an arithmetic number, because the mean of its divisors is an integer number (278846280).

Almost surely, 2^1394231385 is an apocalyptic number.

1394231385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1394231385 is a deficient number, since it is larger than the sum of its proper divisors (836538855).

1394231385 is an equidigital number, since it uses as much as digits as its factorization.

1394231385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92948767.

The product of its digits is 77760, while the sum is 39.

The square root of 1394231385 is about 37339.4079358524. The cubic root of 1394231385 is about 1117.1503302684.

The spelling of 1394231385 in words is "one billion, three hundred ninety-four million, two hundred thirty-one thousand, three hundred eighty-five".