1394064000 has 512 divisors, whose sum is σ = 5881075200. Its totient is φ = 317952000.

The previous prime is 1394063969. The next prime is 1394064011. The reversal of 1394064000 is 4604931.

1394064000 is a `hidden beast` number, since 13 + 9 + 4 + 0 + 640 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3023770 + ... + 3024230.

It is an arithmetic number, because the mean of its divisors is an integer number (11486475).

Almost surely, 2^1394064000 is an apocalyptic number.

1394064000 is a gapful number since it is divisible by the number (10) 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 1394064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2940537600).

1394064000 is an abundant number, since it is smaller than the sum of its proper divisors (4487011200).

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

1394064000 is an equidigital number, since it uses as much as digits as its factorization.

1394064000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1394064000 is about 37337.1664698863. The cubic root of 1394064000 is about 1117.1056218377.

Adding to 1394064000 its reverse (4604931), we get a palindrome (1398668931).

The spelling of 1394064000 in words is "one billion, three hundred ninety-four million, sixty-four thousand".