1338213880 has 16 divisors (see below), whose sum is σ = 3010981320. Its totient is φ = 535285536.

The previous prime is 1338213841. The next prime is 1338213923. The reversal of 1338213880 is 883128331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16727634 + ... + 16727713.

Almost surely, 2^1338213880 is an apocalyptic number.

1338213880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338213880 is an abundant number, since it is smaller than the sum of its proper divisors (1672767440).

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

1338213880 is a wasteful number, since it uses less digits than its factorization.

1338213880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33455358 (or 33455354 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1338213880 is about 36581.6057602725. The cubic root of 1338213880 is about 1101.9837152280.

The spelling of 1338213880 in words is "one billion, three hundred thirty-eight million, two hundred thirteen thousand, eight hundred eighty".