194010297156 has 81 divisors (see below), whose sum is σ = 531135061821. Its totient is φ = 59684904864.

The previous prime is 194010297127. The next prime is 194010297167. The reversal of 194010297156 is 651792010491.

The square root of 194010297156 is 440466.

It is a perfect power (a square), and thus also a powerful number.

194010297156 is a `hidden beast` number, since 1 + 9 + 401 + 0 + 2 + 97 + 156 = 666.

194010297156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28699748100 + 165310549056 = 169410^2 + 406584^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34353525 + ... + 34359171.

Almost surely, 2^194010297156 is an apocalyptic number.

194010297156 is the 440466-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194010297156

194010297156 is an abundant number, since it is smaller than the sum of its proper divisors (337124764665).

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

194010297156 is an equidigital number, since it uses as much as digits as its factorization.

194010297156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330 (or 5665 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 194010297156 in words is "one hundred ninety-four billion, ten million, two hundred ninety-seven thousand, one hundred fifty-six".