1394495999 has 4 divisors (see below), whose sum is σ = 1501764936. Its totient is φ = 1287227064.

The previous prime is 1394495987. The next prime is 1394496007. The reversal of 1394495999 is 9995944931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1394495999 - 2⁴ = 1394495983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394494999) by changing a digit.

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, 53634449 + ... + 53634474.

It is an arithmetic number, because the mean of its divisors is an integer number (375441234).

Almost surely, 2^1394495999 is an apocalyptic number.

1394495999 is a deficient number, since it is larger than the sum of its proper divisors (107268937).

1394495999 is a wasteful number, since it uses less digits than its factorization.

1394495999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107268936.

The product of its digits is 14171760, while the sum is 62.

The square root of 1394495999 is about 37342.9511286936. The cubic root of 1394495999 is about 1117.2210012060.

The spelling of 1394495999 in words is "one billion, three hundred ninety-four million, four hundred ninety-five thousand, nine hundred ninety-nine".