380744137 has 2 divisors, whose sum is σ = 380744138. Its totient is φ = 380744136.

The previous prime is 380744131. The next prime is 380744141. The reversal of 380744137 is 731447083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357550281 + 23193856 = 18909^2 + 4816^2 .

It is a cyclic number.

It is not a de Polignac number, because 380744137 - 2⁷ = 380744009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380744096 and 380744105.

It is not a weakly prime, because it can be changed into another prime (380744131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190372068 + 190372069.

It is an arithmetic number, because the mean of its divisors is an integer number (190372069).

Almost surely, 2^380744137 is an apocalyptic number.

It is an amenable number.

380744137 is a deficient number, since it is larger than the sum of its proper divisors (1).

380744137 is an equidigital number, since it uses as much as digits as its factorization.

380744137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 380744137 is about 19512.6660659173. Note that the first 3 decimals coincide. The cubic root of 380744137 is about 724.7881343671.

The spelling of 380744137 in words is "three hundred eighty million, seven hundred forty-four thousand, one hundred thirty-seven".