1394613072 has 80 divisors (see below), whose sum is σ = 4213768000. Its totient is φ = 440401536.

The previous prime is 1394613047. The next prime is 1394613113. The reversal of 1394613072 is 2703164931.

1394613072 is a `hidden beast` number, since 1 + 39 + 4 + 613 + 0 + 7 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76747 + ... + 93162.

It is an arithmetic number, because the mean of its divisors is an integer number (52672100).

Almost surely, 2^1394613072 is an apocalyptic number.

1394613072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1394613072 is an abundant number, since it is smaller than the sum of its proper divisors (2819154928).

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

1394613072 is a wasteful number, since it uses less digits than its factorization.

1394613072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169945 (or 169933 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1394613072 is about 37344.5186339307. The cubic root of 1394613072 is about 1117.2522652503.

The spelling of 1394613072 in words is "one billion, three hundred ninety-four million, six hundred thirteen thousand, seventy-two".