19105342 has 8 divisors (see below), whose sum is σ = 28722096. Its totient is φ = 9531312.

The previous prime is 19105337. The next prime is 19105343. The reversal of 19105342 is 24350191.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19105343) 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, 9538 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (3590262).

Almost surely, 2^19105342 is an apocalyptic number.

19105342 is a deficient number, since it is larger than the sum of its proper divisors (9616754).

19105342 is a wasteful number, since it uses less digits than its factorization.

19105342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21362.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 19105342 is about 4370.9657971666. The cubic root of 19105342 is about 267.3324049915.

The spelling of 19105342 in words is "nineteen million, one hundred five thousand, three hundred forty-two".