1396091485 has 4 divisors (see below), whose sum is σ = 1675309788. Its totient is φ = 1116873184.

The previous prime is 1396091483. The next prime is 1396091491. The reversal of 1396091485 is 5841906931.

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

It can be written as a sum of positive squares in 2 ways, for example, as 254530116 + 1141561369 = 15954^2 + 33787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396091485 - 2¹ = 1396091483 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 (1396091483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139609144 + ... + 139609153.

It is an arithmetic number, because the mean of its divisors is an integer number (418827447).

Almost surely, 2^1396091485 is an apocalyptic number.

It is an amenable number.

1396091485 is a deficient number, since it is larger than the sum of its proper divisors (279218303).

1396091485 is an equidigital number, since it uses as much as digits as its factorization.

1396091485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279218302.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 1396091485 is about 37364.3076344257. The cubic root of 1396091485 is about 1117.6469211778.

The spelling of 1396091485 in words is "one billion, three hundred ninety-six million, ninety-one thousand, four hundred eighty-five".