1394557714 has 16 divisors (see below), whose sum is σ = 2284472736. Its totient is φ = 633204000.

The previous prime is 1394557711. The next prime is 1394557729. The reversal of 1394557714 is 4177554931.

It is not an unprimeable number, because it can be changed into a prime (1394557711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13212 + ... + 54439.

It is an arithmetic number, because the mean of its divisors is an integer number (142779546).

Almost surely, 2^1394557714 is an apocalyptic number.

1394557714 is a deficient number, since it is larger than the sum of its proper divisors (889915022).

1394557714 is a wasteful number, since it uses less digits than its factorization.

1394557714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68601.

The product of its digits is 529200, while the sum is 46.

The square root of 1394557714 is about 37343.7774468518. Note that the first 3 decimals coincide. The cubic root of 1394557714 is about 1117.2374822565.

The spelling of 1394557714 in words is "one billion, three hundred ninety-four million, five hundred fifty-seven thousand, seven hundred fourteen".