1394565648 has 80 divisors (see below), whose sum is σ = 4334008320. Its totient is φ = 377474688.

The previous prime is 1394565643. The next prime is 1394565691. The reversal of 1394565648 is 8465654931.

It is a super-3 number, since 3×1394565648³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1394565648.

It is not an unprimeable number, because it can be changed into a prime (1394565643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102840 + ... + 115607.

It is an arithmetic number, because the mean of its divisors is an integer number (54175104).

Almost surely, 2^1394565648 is an apocalyptic number.

It is an amenable number.

1394565648 is an abundant number, since it is smaller than the sum of its proper divisors (2939442672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394565648 is a wasteful number, since it uses less digits than its factorization.

1394565648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218484 (or 218478 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 1394565648 is about 37343.8836759114. The cubic root of 1394565648 is about 1117.2396010036.

The spelling of 1394565648 in words is "one billion, three hundred ninety-four million, five hundred sixty-five thousand, six hundred forty-eight".