19142734 has 8 divisors (see below), whose sum is σ = 30922920. Its totient is φ = 8835096.

The previous prime is 19142719. The next prime is 19142737. The reversal of 19142734 is 43724191.

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

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 19142696 and 19142705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19142737) 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, 368104 + ... + 368155.

It is an arithmetic number, because the mean of its divisors is an integer number (3865365).

Almost surely, 2^19142734 is an apocalyptic number.

19142734 is a deficient number, since it is larger than the sum of its proper divisors (11780186).

19142734 is a wasteful number, since it uses less digits than its factorization.

19142734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736274.

The product of its digits is 6048, while the sum is 31.

The square root of 19142734 is about 4375.2410219324. The cubic root of 19142734 is about 267.5066944492.

The spelling of 19142734 in words is "nineteen million, one hundred forty-two thousand, seven hundred thirty-four".