194836013 has 16 divisors (see below), whose sum is σ = 217545600. Its totient is φ = 173638080.

The previous prime is 194835973. The next prime is 194836021. The reversal of 194836013 is 310638491.

It is a cyclic number.

It is not a de Polignac number, because 194836013 - 2⁸ = 194835757 is a prime.

It is a super-2 number, since 2×194836013² = 75922143923472338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194836513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23003 + ... + 30311.

It is an arithmetic number, because the mean of its divisors is an integer number (13596600).

Almost surely, 2^194836013 is an apocalyptic number.

It is an amenable number.

194836013 is a deficient number, since it is larger than the sum of its proper divisors (22709587).

194836013 is a wasteful number, since it uses less digits than its factorization.

194836013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7412.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 194836013 is about 13958.3671322974. The cubic root of 194836013 is about 579.7263998903.

The spelling of 194836013 in words is "one hundred ninety-four million, eight hundred thirty-six thousand, thirteen".