193390105 has 8 divisors (see below), whose sum is σ = 232676352. Its totient is φ = 154306608.

The previous prime is 193390097. The next prime is 193390111. The reversal of 193390105 is 501093391.

193390105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 193390105 - 2³ = 193390097 is a prime.

It is a super-2 number, since 2×193390105² = 74799465423822050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48579 + ... + 52408.

It is an arithmetic number, because the mean of its divisors is an integer number (29084544).

Almost surely, 2^193390105 is an apocalyptic number.

It is an amenable number.

193390105 is a deficient number, since it is larger than the sum of its proper divisors (39286247).

193390105 is a wasteful number, since it uses less digits than its factorization.

193390105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101375.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 193390105 is about 13906.4770880335. The cubic root of 193390105 is about 578.2887581096.

The spelling of 193390105 in words is "one hundred ninety-three million, three hundred ninety thousand, one hundred five".