1389134 has 4 divisors (see below), whose sum is σ = 2083704. Its totient is φ = 694566.

The previous prime is 1389133. The next prime is 1389139. The reversal of 1389134 is 4319831.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1389097 and 1389106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347282 + ... + 347285.

It is an arithmetic number, because the mean of its divisors is an integer number (520926).

2^1389134 is an apocalyptic number.

1389134 is a deficient number, since it is larger than the sum of its proper divisors (694570).

1389134 is an equidigital number, since it uses as much as digits as its factorization.

1389134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694569.

The product of its digits is 2592, while the sum is 29.

The square root of 1389134 is about 1178.6152892272. The cubic root of 1389134 is about 111.5787213791.

The spelling of 1389134 in words is "one million, three hundred eighty-nine thousand, one hundred thirty-four".