378134093 has 2 divisors, whose sum is σ = 378134094. Its totient is φ = 378134092.

The previous prime is 378134027. The next prime is 378134153. The reversal of 378134093 is 390431873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377058724 + 1075369 = 19418^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 378134093 - 2¹⁰ = 378133069 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378134023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189067046 + 189067047.

It is an arithmetic number, because the mean of its divisors is an integer number (189067047).

Almost surely, 2^378134093 is an apocalyptic number.

It is an amenable number.

378134093 is a deficient number, since it is larger than the sum of its proper divisors (1).

378134093 is an equidigital number, since it uses as much as digits as its factorization.

378134093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 378134093 is about 19445.6702892958. The cubic root of 378134093 is about 723.1281673474.

The spelling of 378134093 in words is "three hundred seventy-eight million, one hundred thirty-four thousand, ninety-three".