1394535164 has 18 divisors (see below), whose sum is σ = 2682464232. Its totient is φ = 633879400.

The previous prime is 1394535139. The next prime is 1394535221. The reversal of 1394535164 is 4615354931.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 1440152 + ... + 1441119.

Almost surely, 2^1394535164 is an apocalyptic number.

It is an amenable number.

1394535164 is a deficient number, since it is larger than the sum of its proper divisors (1287929068).

1394535164 is a wasteful number, since it uses less digits than its factorization.

1394535164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881297 (or 2881284 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 1394535164 is about 37343.4755211670. The cubic root of 1394535164 is about 1117.2314603136.

The spelling of 1394535164 in words is "one billion, three hundred ninety-four million, five hundred thirty-five thousand, one hundred sixty-four".