1438903119 has 8 divisors (see below), whose sum is σ = 1932340480. Its totient is φ = 952367256.

The previous prime is 1438903097. The next prime is 1438903127. The reversal of 1438903119 is 9113098341.

It is a happy number.

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

It is not a de Polignac number, because 1438903119 - 2²⁷ = 1304685391 is a prime.

It is a super-2 number, since 2×1438903119² = 4140884371735856322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438903199) 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, 1724887 + ... + 1725720.

It is an arithmetic number, because the mean of its divisors is an integer number (241542560).

Almost surely, 2^1438903119 is an apocalyptic number.

1438903119 is a deficient number, since it is larger than the sum of its proper divisors (493437361).

1438903119 is a wasteful number, since it uses less digits than its factorization.

1438903119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450749.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1438903119 is about 37932.8764925625. The cubic root of 1438903119 is about 1128.9564383417.

The spelling of 1438903119 in words is "one billion, four hundred thirty-eight million, nine hundred three thousand, one hundred nineteen".