1338903105 has 16 divisors (see below), whose sum is σ = 2143199040. Its totient is φ = 713763648.

The previous prime is 1338903103. The next prime is 1338903131. The reversal of 1338903105 is 5013098331.

It is not a de Polignac number, because 1338903105 - 2¹ = 1338903103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1338903103) 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, 17154 + ... + 54516.

It is an arithmetic number, because the mean of its divisors is an integer number (133949940).

Almost surely, 2^1338903105 is an apocalyptic number.

1338903105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1338903105 is a deficient number, since it is larger than the sum of its proper divisors (804295935).

1338903105 is a wasteful number, since it uses less digits than its factorization.

1338903105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39760.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1338903105 is about 36591.0249241532. The cubic root of 1338903105 is about 1102.1728689408.

The spelling of 1338903105 in words is "one billion, three hundred thirty-eight million, nine hundred three thousand, one hundred five".