1394564572 has 12 divisors (see below), whose sum is σ = 2440750536. Its totient is φ = 697207280.

The previous prime is 1394564569. The next prime is 1394564581. The reversal of 1394564572 is 2754654931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57843 + ... + 78325.

It is an arithmetic number, because the mean of its divisors is an integer number (203395878).

Almost surely, 2^1394564572 is an apocalyptic number.

It is an amenable number.

1394564572 is a deficient number, since it is larger than the sum of its proper divisors (1046185964).

1394564572 is a wasteful number, since it uses less digits than its factorization.

1394564572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37508 (or 37506 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 1394564572 is about 37343.8692692656. The cubic root of 1394564572 is about 1117.2393136621.

The spelling of 1394564572 in words is "one billion, three hundred ninety-four million, five hundred sixty-four thousand, five hundred seventy-two".