1394013456 has 160 divisors (see below), whose sum is σ = 4506378240. Its totient is φ = 408758400.

The previous prime is 1394013391. The next prime is 1394013461. The reversal of 1394013456 is 6543104931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1394013456.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142581 + ... + 152043.

It is an arithmetic number, because the mean of its divisors is an integer number (28164864).

Almost surely, 2^1394013456 is an apocalyptic number.

1394013456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394013456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2253189120).

1394013456 is an abundant number, since it is smaller than the sum of its proper divisors (3112364784).

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

1394013456 is a wasteful number, since it uses less digits than its factorization.

1394013456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522 (or 9510 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1394013456 is about 37336.4896046749. The cubic root of 1394013456 is about 1117.0921208629.

The spelling of 1394013456 in words is "one billion, three hundred ninety-four million, thirteen thousand, four hundred fifty-six".