378734141 has 2 divisors, whose sum is σ = 378734142. Its totient is φ = 378734140.

The previous prime is 378734117. The next prime is 378734173. The reversal of 378734141 is 141437873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315595225 + 63138916 = 17765^2 + 7946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378734141 is a prime.

It is a super-3 number, since 3×378734141³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378734095 and 378734104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378734101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189367070 + 189367071.

It is an arithmetic number, because the mean of its divisors is an integer number (189367071).

Almost surely, 2^378734141 is an apocalyptic number.

It is an amenable number.

378734141 is a deficient number, since it is larger than the sum of its proper divisors (1).

378734141 is an equidigital number, since it uses as much as digits as its factorization.

378734141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 378734141 is about 19461.0930063036. The cubic root of 378734141 is about 723.5104676133.

The spelling of 378734141 in words is "three hundred seventy-eight million, seven hundred thirty-four thousand, one hundred forty-one".