1344432137 has 2 divisors, whose sum is σ = 1344432138. Its totient is φ = 1344432136.

The previous prime is 1344432127. The next prime is 1344432151. The reversal of 1344432137 is 7312344431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888993856 + 455438281 = 29816^2 + 21341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344432137 - 2¹⁴ = 1344415753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344432127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672216068 + 672216069.

It is an arithmetic number, because the mean of its divisors is an integer number (672216069).

Almost surely, 2^1344432137 is an apocalyptic number.

It is an amenable number.

1344432137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344432137 is an equidigital number, since it uses as much as digits as its factorization.

1344432137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 1344432137 is about 36666.4988374947. The cubic root of 1344432137 is about 1103.6879349830.

Adding to 1344432137 its reverse (7312344431), we get a palindrome (8656776568).

The spelling of 1344432137 in words is "one billion, three hundred forty-four million, four hundred thirty-two thousand, one hundred thirty-seven".