19144714 has 8 divisors (see below), whose sum is σ = 29145888. Its totient is φ = 9429420.

The previous prime is 19144711. The next prime is 19144729. The reversal of 19144714 is 41744191.

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

It is not an unprimeable number, because it can be changed into a prime (19144711) 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, 71302 + ... + 71569.

It is an arithmetic number, because the mean of its divisors is an integer number (3643236).

Almost surely, 2^19144714 is an apocalyptic number.

19144714 is a deficient number, since it is larger than the sum of its proper divisors (10001174).

19144714 is a wasteful number, since it uses less digits than its factorization.

19144714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142940.

The product of its digits is 4032, while the sum is 31.

The square root of 19144714 is about 4375.4672893304. The cubic root of 19144714 is about 267.5159171825.

The spelling of 19144714 in words is "nineteen million, one hundred forty-four thousand, seven hundred fourteen".