1438680119 has 4 divisors (see below), whose sum is σ = 1473769920. Its totient is φ = 1403590320.

The previous prime is 1438680083. The next prime is 1438680137. The reversal of 1438680119 is 9110868341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9110868341 = 41 ⋅222216301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1438680119 is a prime.

It is a super-3 number, since 3×1438680119³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 35089759 = 1438680119 / (1 + 4 + 3 + 8 + 6 + 8 + 0 + 1 + 1 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438680149) 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 3 ways as a sum of consecutive naturals, for example, 17544839 + ... + 17544920.

It is an arithmetic number, because the mean of its divisors is an integer number (368442480).

Almost surely, 2^1438680119 is an apocalyptic number.

1438680119 is a deficient number, since it is larger than the sum of its proper divisors (35089801).

1438680119 is an equidigital number, since it uses as much as digits as its factorization.

1438680119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35089800.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1438680119 is about 37929.9369759561. The cubic root of 1438680119 is about 1128.8981137542.

The spelling of 1438680119 in words is "one billion, four hundred thirty-eight million, six hundred eighty thousand, one hundred nineteen".