1394845975 has 12 divisors (see below), whose sum is σ = 1730110000. Its totient is φ = 1115553600.

The previous prime is 1394845951. The next prime is 1394845979. The reversal of 1394845975 is 5795484931.

It is a happy number.

It is not a de Polignac number, because 1394845975 - 2⁷ = 1394845847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394845979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119395 + ... + 130555.

Almost surely, 2^1394845975 is an apocalyptic number.

1394845975 is a deficient number, since it is larger than the sum of its proper divisors (335264025).

1394845975 is a wasteful number, since it uses less digits than its factorization.

1394845975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170 (or 16165 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The square root of 1394845975 is about 37347.6368060952. The cubic root of 1394845975 is about 1117.3144561967.

The spelling of 1394845975 in words is "one billion, three hundred ninety-four million, eight hundred forty-five thousand, nine hundred seventy-five".