378134027 has 2 divisors, whose sum is σ = 378134028. Its totient is φ = 378134026.

The previous prime is 378134023. The next prime is 378134093. The reversal of 378134027 is 720431873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378134027 - 2² = 378134023 is a prime.

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, 189067013 + 189067014.

It is an arithmetic number, because the mean of its divisors is an integer number (189067014).

Almost surely, 2^378134027 is an apocalyptic number.

378134027 is a deficient number, since it is larger than the sum of its proper divisors (1).

378134027 is an equidigital number, since it uses as much as digits as its factorization.

378134027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 378134027 is about 19445.6685922598. The cubic root of 378134027 is about 723.1281252755.

The spelling of 378134027 in words is "three hundred seventy-eight million, one hundred thirty-four thousand, twenty-seven".