1374332209 has 2 divisors, whose sum is σ = 1374332210. Its totient is φ = 1374332208.

The previous prime is 1374332203. The next prime is 1374332233. The reversal of 1374332209 is 9022334731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1283072400 + 91259809 = 35820^2 + 9553^2 .

It is an emirp because it is prime and its reverse (9022334731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1374332209 - 2⁷ = 1374332081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1374332203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687166104 + 687166105.

It is an arithmetic number, because the mean of its divisors is an integer number (687166105).

Almost surely, 2^1374332209 is an apocalyptic number.

It is an amenable number.

1374332209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374332209 is an equidigital number, since it uses as much as digits as its factorization.

1374332209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 1374332209 is about 37071.9868499113. The cubic root of 1374332209 is about 1111.8099974806.

The spelling of 1374332209 in words is "one billion, three hundred seventy-four million, three hundred thirty-two thousand, two hundred nine".