1394538814 has 16 divisors (see below), whose sum is σ = 2108921760. Its totient is φ = 691584480.

The previous prime is 1394538799. The next prime is 1394538823. The reversal of 1394538814 is 4188354931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147304 + ... + 156484.

It is an arithmetic number, because the mean of its divisors is an integer number (131807610).

Almost surely, 2^1394538814 is an apocalyptic number.

1394538814 is a deficient number, since it is larger than the sum of its proper divisors (714382946).

1394538814 is a wasteful number, since it uses less digits than its factorization.

1394538814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9795.

The product of its digits is 414720, while the sum is 46.

The square root of 1394538814 is about 37343.5243917871. The cubic root of 1394538814 is about 1117.2324350449.

The spelling of 1394538814 in words is "one billion, three hundred ninety-four million, five hundred thirty-eight thousand, eight hundred fourteen".