194133733 has 4 divisors (see below), whose sum is σ = 194230348. Its totient is φ = 194037120.

The previous prime is 194133703. The next prime is 194133769. The reversal of 194133733 is 337331491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71876484 + 122257249 = 8478^2 + 11057^2 .

It is a cyclic number.

It is not a de Polignac number, because 194133733 - 2⁵ = 194133701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194133703) 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, 45228 + ... + 49333.

It is an arithmetic number, because the mean of its divisors is an integer number (48557587).

Almost surely, 2^194133733 is an apocalyptic number.

It is an amenable number.

194133733 is a deficient number, since it is larger than the sum of its proper divisors (96615).

194133733 is an equidigital number, since it uses as much as digits as its factorization.

194133733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96614.

The product of its digits is 20412, while the sum is 34.

The square root of 194133733 is about 13933.1881850494. The cubic root of 194133733 is about 579.0290264183.

The spelling of 194133733 in words is "one hundred ninety-four million, one hundred thirty-three thousand, seven hundred thirty-three".