194514378 has 16 divisors (see below), whose sum is σ = 390187200. Its totient is φ = 64645056.

The previous prime is 194514377. The next prime is 194514379. The reversal of 194514378 is 873415491.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (194514377) and next prime (194514379).

It is not an unprimeable number, because it can be changed into a prime (194514371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46078 + ... + 50121.

It is an arithmetic number, because the mean of its divisors is an integer number (24386700).

Almost surely, 2^194514378 is an apocalyptic number.

194514378 is an abundant number, since it is smaller than the sum of its proper divisors (195672822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194514378 is a wasteful number, since it uses less digits than its factorization.

194514378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96541.

The product of its digits is 120960, while the sum is 42.

The square root of 194514378 is about 13946.8411477295. The cubic root of 194514378 is about 579.4072203663.

The spelling of 194514378 in words is "one hundred ninety-four million, five hundred fourteen thousand, three hundred seventy-eight".