194156356 has 9 divisors (see below), whose sum is σ = 339822399. Its totient is φ = 97064244.

The previous prime is 194156327. The next prime is 194156393. The reversal of 194156356 is 653651491.

It is a happy number.

The square root of 194156356 is 13934.

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

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 24385 + ... + 31351.

Almost surely, 2^194156356 is an apocalyptic number.

194156356 is the 13934-th square number.

It is an amenable number.

194156356 is a deficient number, since it is larger than the sum of its proper divisors (145666043).

194156356 is an frugal number, since it uses more digits than its factorization.

194156356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938 (or 6969 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The cubic root of 194156356 is about 579.0515175548.

The spelling of 194156356 in words is "one hundred ninety-four million, one hundred fifty-six thousand, three hundred fifty-six".