1338748508 has 12 divisors (see below), whose sum is σ = 2343119520. Its totient is φ = 669285792.

The previous prime is 1338748501. The next prime is 1338748549. The reversal of 1338748508 is 8058478331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338748501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21485 + ... + 56027.

It is an arithmetic number, because the mean of its divisors is an integer number (195259960).

Almost surely, 2^1338748508 is an apocalyptic number.

It is an amenable number.

1338748508 is a deficient number, since it is larger than the sum of its proper divisors (1004371012).

1338748508 is a wasteful number, since it uses less digits than its factorization.

1338748508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44236 (or 44234 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 1338748508 is about 36588.9123642669. The cubic root of 1338748508 is about 1102.1304463594.

The spelling of 1338748508 in words is "one billion, three hundred thirty-eight million, seven hundred forty-eight thousand, five hundred eight".