19144734 has 16 divisors (see below), whose sum is σ = 43759488. Its totient is φ = 5469912.

The previous prime is 19144729. The next prime is 19144751. The reversal of 19144734 is 43744191.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19144695 and 19144704.

It is a congruent 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, 227872 + ... + 227955.

It is an arithmetic number, because the mean of its divisors is an integer number (2734968).

Almost surely, 2^19144734 is an apocalyptic number.

19144734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19144734 is an abundant number, since it is smaller than the sum of its proper divisors (24614754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19144734 is a wasteful number, since it uses less digits than its factorization.

19144734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455839.

The product of its digits is 12096, while the sum is 33.

The square root of 19144734 is about 4375.4695747999. The cubic root of 19144734 is about 267.5160103382.

The spelling of 19144734 in words is "nineteen million, one hundred forty-four thousand, seven hundred thirty-four".