1438227959 has 6 divisors (see below), whose sum is σ = 1673040744. Its totient is φ = 1232766780.

The previous prime is 1438227937. The next prime is 1438227983. The reversal of 1438227959 is 9597228341.

It is a de Polignac number, because none of the positive numbers 2^k-1438227959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438227359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14675747 + ... + 14675844.

It is an arithmetic number, because the mean of its divisors is an integer number (278840124).

Almost surely, 2^1438227959 is an apocalyptic number.

1438227959 is a deficient number, since it is larger than the sum of its proper divisors (234812785).

1438227959 is an equidigital number, since it uses as much as digits as its factorization.

1438227959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29351605 (or 29351598 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 1438227959 is about 37923.9760441861. The cubic root of 1438227959 is about 1128.7798349585.

The spelling of 1438227959 in words is "one billion, four hundred thirty-eight million, two hundred twenty-seven thousand, nine hundred fifty-nine".