1381455608 has 16 divisors (see below), whose sum is σ = 2789477880. Its totient is φ = 637594848.

The previous prime is 1381455587. The next prime is 1381455617. The reversal of 1381455608 is 8065541831.

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, 6641510 + ... + 6641717.

Almost surely, 2^1381455608 is an apocalyptic number.

It is an amenable number.

1381455608 is an abundant number, since it is smaller than the sum of its proper divisors (1408022272).

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

1381455608 is a wasteful number, since it uses less digits than its factorization.

1381455608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283246 (or 13283242 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 1381455608 is about 37167.9379035211. The cubic root of 1381455608 is about 1113.7275887049.

The spelling of 1381455608 in words is "one billion, three hundred eighty-one million, four hundred fifty-five thousand, six hundred eight".