1385138 has 8 divisors (see below), whose sum is σ = 2187120. Its totient is φ = 656100.

The previous prime is 1385117. The next prime is 1385147. The reversal of 1385138 is 8315831.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1385138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18188 + ... + 18263.

It is an arithmetic number, because the mean of its divisors is an integer number (273390).

2^1385138 is an apocalyptic number.

1385138 is a deficient number, since it is larger than the sum of its proper divisors (801982).

1385138 is a wasteful number, since it uses less digits than its factorization.

1385138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36472.

The product of its digits is 2880, while the sum is 29.

The square root of 1385138 is about 1176.9188587154. The cubic root of 1385138 is about 111.4716290503.

The spelling of 1385138 in words is "one million, three hundred eighty-five thousand, one hundred thirty-eight".