1396548069 has 12 divisors (see below), whose sum is σ = 2166074784. Its totient is φ = 798027384.

The previous prime is 1396548059. The next prime is 1396548077. The reversal of 1396548069 is 9608456931.

It is not a de Polignac number, because 1396548069 - 2⁴ = 1396548053 is a prime.

It is a super-2 number, since 2×1396548069² = 3900693018055257522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396548019) 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 11 ways as a sum of consecutive naturals, for example, 4750017 + ... + 4750310.

It is an arithmetic number, because the mean of its divisors is an integer number (180506232).

Almost surely, 2^1396548069 is an apocalyptic number.

It is an amenable number.

1396548069 is a deficient number, since it is larger than the sum of its proper divisors (769526715).

1396548069 is an equidigital number, since it uses as much as digits as its factorization.

1396548069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500344 (or 9500337 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 1396548069 is about 37370.4170300520. The cubic root of 1396548069 is about 1117.7687479796.

The spelling of 1396548069 in words is "one billion, three hundred ninety-six million, five hundred forty-eight thousand, sixty-nine".