193429813 has 8 divisors (see below), whose sum is σ = 194894336. Its totient is φ = 191970000.

The previous prime is 193429799. The next prime is 193429829. The reversal of 193429813 is 318924391.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193429813 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 (193429853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 135220 + ... + 136642.

It is an arithmetic number, because the mean of its divisors is an integer number (24361792).

Almost surely, 2^193429813 is an apocalyptic number.

It is an amenable number.

193429813 is a deficient number, since it is larger than the sum of its proper divisors (1464523).

193429813 is a wasteful number, since it uses less digits than its factorization.

193429813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355.

The product of its digits is 46656, while the sum is 40.

The square root of 193429813 is about 13907.9046948129. The cubic root of 193429813 is about 578.3283346235.

The spelling of 193429813 in words is "one hundred ninety-three million, four hundred twenty-nine thousand, eight hundred thirteen".