1396909027 has 4 divisors (see below), whose sum is σ = 1397846160. Its totient is φ = 1395971896.

The previous prime is 1396908977. The next prime is 1396909037. The reversal of 1396909027 is 7209096931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396909027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396909037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466327 + ... + 469312.

It is an arithmetic number, because the mean of its divisors is an integer number (349461540).

Almost surely, 2^1396909027 is an apocalyptic number.

1396909027 is a deficient number, since it is larger than the sum of its proper divisors (937133).

1396909027 is an equidigital number, since it uses as much as digits as its factorization.

1396909027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937132.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 1396909027 is about 37375.2461797912. The cubic root of 1396909027 is about 1117.8650408379.

The spelling of 1396909027 in words is "one billion, three hundred ninety-six million, nine hundred nine thousand, twenty-seven".