1394109 has 12 divisors (see below), whose sum is σ = 2026752. Its totient is φ = 923400.

The previous prime is 1394089. The next prime is 1394131. The reversal of 1394109 is 9014931.

It is not a de Polignac number, because 1394109 - 2⁷ = 1393981 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (168896).

2^1394109 is an apocalyptic number.

It is an amenable number.

1394109 is a deficient number, since it is larger than the sum of its proper divisors (632643).

1394109 is a wasteful number, since it uses less digits than its factorization.

1394109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1394109 is about 1180.7239304766. The cubic root of 1394109 is about 111.7117641662.

The spelling of 1394109 in words is "one million, three hundred ninety-four thousand, one hundred nine".