1384135838 has 8 divisors (see below), whose sum is σ = 2147797080. Its totient is φ = 668203480.

The previous prime is 1384135829. The next prime is 1384135847. The reversal of 1384135838 is 8385314831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1384135829) and next prime (1384135847).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 11932148 + ... + 11932263.

It is an arithmetic number, because the mean of its divisors is an integer number (268474635).

Almost surely, 2^1384135838 is an apocalyptic number.

1384135838 is a deficient number, since it is larger than the sum of its proper divisors (763661242).

1384135838 is a wasteful number, since it uses less digits than its factorization.

1384135838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23864442.

The product of its digits is 276480, while the sum is 44.

The square root of 1384135838 is about 37203.9761047122. The cubic root of 1384135838 is about 1114.4473892973.

The spelling of 1384135838 in words is "one billion, three hundred eighty-four million, one hundred thirty-five thousand, eight hundred thirty-eight".