193068439 has 4 divisors (see below), whose sum is σ = 204425424. Its totient is φ = 181711456.

The previous prime is 193068437. The next prime is 193068451. The reversal of 193068439 is 934860391.

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

It is a cyclic number.

It is not a de Polignac number, because 193068439 - 2¹ = 193068437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193068395 and 193068404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193068437) 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 3 ways as a sum of consecutive naturals, for example, 5678467 + ... + 5678500.

It is an arithmetic number, because the mean of its divisors is an integer number (51106356).

Almost surely, 2^193068439 is an apocalyptic number.

193068439 is a deficient number, since it is larger than the sum of its proper divisors (11356985).

193068439 is a wasteful number, since it uses less digits than its factorization.

193068439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356984.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 193068439 is about 13894.9069446326. The cubic root of 193068439 is about 577.9679573797.

The spelling of 193068439 in words is "one hundred ninety-three million, sixty-eight thousand, four hundred thirty-nine".