1438008105 has 16 divisors (see below), whose sum is σ = 2309125824. Its totient is φ = 764166720.

The previous prime is 1438008101. The next prime is 1438008119. The reversal of 1438008105 is 5018008341.

It is not a de Polignac number, because 1438008105 - 2² = 1438008101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1438008101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168891 + ... + 177200.

It is an arithmetic number, because the mean of its divisors is an integer number (144320364).

Almost surely, 2^1438008105 is an apocalyptic number.

1438008105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1438008105 is a deficient number, since it is larger than the sum of its proper divisors (871117719).

1438008105 is a wasteful number, since it uses less digits than its factorization.

1438008105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346376.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1438008105 is about 37921.0773185573. The cubic root of 1438008105 is about 1128.7223152385.

The spelling of 1438008105 in words is "one billion, four hundred thirty-eight million, eight thousand, one hundred five".