378131239 has 2 divisors, whose sum is σ = 378131240. Its totient is φ = 378131238.

The previous prime is 378131227. The next prime is 378131251. The reversal of 378131239 is 932131873.

It is a balanced prime because it is at equal distance from previous prime (378131227) and next prime (378131251).

It is a cyclic number.

It is not a de Polignac number, because 378131239 - 2⁷ = 378131111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378131198 and 378131207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378131219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189065619 + 189065620.

It is an arithmetic number, because the mean of its divisors is an integer number (189065620).

Almost surely, 2^378131239 is an apocalyptic number.

378131239 is a deficient number, since it is larger than the sum of its proper divisors (1).

378131239 is an equidigital number, since it uses as much as digits as its factorization.

378131239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 378131239 is about 19445.5969052122. The cubic root of 378131239 is about 723.1263480519.

The spelling of 378131239 in words is "three hundred seventy-eight million, one hundred thirty-one thousand, two hundred thirty-nine".