194078361 has 4 divisors (see below), whose sum is σ = 258771152. Its totient is φ = 129385572.

The previous prime is 194078323. The next prime is 194078399. The reversal of 194078361 is 163870491.

194078361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (194078323) and next prime (194078399).

It is not a de Polignac number, because 194078361 - 2¹¹ = 194076313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194078161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32346391 + ... + 32346396.

It is an arithmetic number, because the mean of its divisors is an integer number (64692788).

Almost surely, 2^194078361 is an apocalyptic number.

It is an amenable number.

194078361 is a deficient number, since it is larger than the sum of its proper divisors (64692791).

194078361 is an equidigital number, since it uses as much as digits as its factorization.

194078361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64692790.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 194078361 is about 13931.2009891466. The cubic root of 194078361 is about 578.9739697939.

The spelling of 194078361 in words is "one hundred ninety-four million, seventy-eight thousand, three hundred sixty-one".