193314839 has 4 divisors (see below), whose sum is σ = 201719856. Its totient is φ = 184909824.

The previous prime is 193314833. The next prime is 193314893. The reversal of 193314839 is 938413391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938413391 = 131 ⋅7163461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193314839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193314796 and 193314805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193314833) 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, 4202474 + ... + 4202519.

It is an arithmetic number, because the mean of its divisors is an integer number (50429964).

Almost surely, 2^193314839 is an apocalyptic number.

193314839 is a deficient number, since it is larger than the sum of its proper divisors (8405017).

193314839 is an equidigital number, since it uses as much as digits as its factorization.

193314839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405016.

The product of its digits is 69984, while the sum is 41.

The square root of 193314839 is about 13903.7706756117. The cubic root of 193314839 is about 578.2137264708.

The spelling of 193314839 in words is "one hundred ninety-three million, three hundred fourteen thousand, eight hundred thirty-nine".