1394420056 has 16 divisors (see below), whose sum is σ = 2615682240. Its totient is φ = 696904800.

The previous prime is 1394420047. The next prime is 1394420099. The reversal of 1394420056 is 6500244931.

It is a happy number.

It is a congruent number.

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, 18120 + ... + 55831.

It is an arithmetic number, because the mean of its divisors is an integer number (163480140).

Almost surely, 2^1394420056 is an apocalyptic number.

It is an amenable number.

1394420056 is a deficient number, since it is larger than the sum of its proper divisors (1221262184).

1394420056 is a wasteful number, since it uses less digits than its factorization.

1394420056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76314 (or 76310 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1394420056 is about 37341.9342830550. The cubic root of 1394420056 is about 1117.2007198870.

Adding to 1394420056 its reverse (6500244931), we get a palindrome (7894664987).

The spelling of 1394420056 in words is "one billion, three hundred ninety-four million, four hundred twenty thousand, fifty-six".