1396140353 has 2 divisors, whose sum is σ = 1396140354. Its totient is φ = 1396140352.

The previous prime is 1396140289. The next prime is 1396140371. The reversal of 1396140353 is 3530416931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1171829824 + 224310529 = 34232^2 + 14977^2 .

It is an emirp because it is prime and its reverse (3530416931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1396140353 - 2⁶ = 1396140289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1396140253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698070176 + 698070177.

It is an arithmetic number, because the mean of its divisors is an integer number (698070177).

Almost surely, 2^1396140353 is an apocalyptic number.

It is an amenable number.

1396140353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396140353 is an equidigital number, since it uses as much as digits as its factorization.

1396140353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 1396140353 is about 37364.9615682928. The cubic root of 1396140353 is about 1117.6599615201.

The spelling of 1396140353 in words is "one billion, three hundred ninety-six million, one hundred forty thousand, three hundred fifty-three".