193674813 has 8 divisors (see below), whose sum is σ = 258413376. Its totient is φ = 129026400.

The previous prime is 193674791. The next prime is 193674821. The reversal of 193674813 is 318476391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 193674813 - 2⁵ = 193674781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193674853) 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 7 ways as a sum of consecutive naturals, for example, 17353 + ... + 26238.

It is an arithmetic number, because the mean of its divisors is an integer number (32301672).

Almost surely, 2^193674813 is an apocalyptic number.

It is an amenable number.

193674813 is a deficient number, since it is larger than the sum of its proper divisors (64738563).

193674813 is a wasteful number, since it uses less digits than its factorization.

193674813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45075.

The product of its digits is 108864, while the sum is 42.

The square root of 193674813 is about 13916.7098482364. The cubic root of 193674813 is about 578.5724036215.

The spelling of 193674813 in words is "one hundred ninety-three million, six hundred seventy-four thousand, eight hundred thirteen".