1338909700 has 36 divisors (see below), whose sum is σ = 3005627940. Its totient is φ = 517095040.

The previous prime is 1338909697. The next prime is 1338909707. The reversal of 1338909700 is 79098331.

It can be written as a sum of positive squares in 6 ways, for example, as 41757444 + 1297152256 = 6462^2 + 36016^2 .

It is not an unprimeable number, because it can be changed into a prime (1338909707) 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 11 ways as a sum of consecutive naturals, for example, 227947 + ... + 233746.

It is an arithmetic number, because the mean of its divisors is an integer number (83489665).

Almost surely, 2^1338909700 is an apocalyptic number.

1338909700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338909700 is an abundant number, since it is smaller than the sum of its proper divisors (1666718240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338909700 is a wasteful number, since it uses less digits than its factorization.

1338909700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461736 (or 461729 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1338909700 is about 36591.1150417694. The cubic root of 1338909700 is about 1102.1746785858.

The spelling of 1338909700 in words is "one billion, three hundred thirty-eight million, nine hundred nine thousand, seven hundred".