193109542 has 8 divisors (see below), whose sum is σ = 292228056. Its totient is φ = 95700192.

The previous prime is 193109533. The next prime is 193109551. The reversal of 193109542 is 245901391.

It is an interprime number because it is at equal distance from previous prime (193109533) and next prime (193109551).

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

It is a super-2 number, since 2×193109542² = 74582590422899528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 193109498 and 193109507.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 427008 + ... + 427459.

It is an arithmetic number, because the mean of its divisors is an integer number (36528507).

Almost surely, 2^193109542 is an apocalyptic number.

193109542 is a deficient number, since it is larger than the sum of its proper divisors (99118514).

193109542 is a wasteful number, since it uses less digits than its factorization.

193109542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854582.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 193109542 is about 13896.3859330403. The cubic root of 193109542 is about 578.0089696608.

The spelling of 193109542 in words is "one hundred ninety-three million, one hundred nine thousand, five hundred forty-two".