1338056064 has 64 divisors (see below), whose sum is σ = 3949134000. Its totient is φ = 446017536.

The previous prime is 1338056059. The next prime is 1338056081. The reversal of 1338056064 is 4606508331.

1338056064 is a `hidden beast` number, since 1 + 3 + 38 + 0 + 560 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 190129 + ... + 197040.

Almost surely, 2^1338056064 is an apocalyptic number.

It is an amenable number.

1338056064 is an abundant number, since it is smaller than the sum of its proper divisors (2611077936).

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

1338056064 is an equidigital number, since it uses as much as digits as its factorization.

1338056064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387192 (or 387174 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1338056064 is about 36579.4486563152. The cubic root of 1338056064 is about 1101.9403944252.

The spelling of 1338056064 in words is "one billion, three hundred thirty-eight million, fifty-six thousand, sixty-four".