1374144 has 56 divisors (see below), whose sum is σ = 3858768. Its totient is φ = 430080.
The previous prime is 1374133. The next prime is 1374157. The reversal of 1374144 is 4414731.
It is a super-3 number, since 3×13741443 = 7784271815726333952, which contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054 + ... + 3474.
21374144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1374144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1929384).
1374144 is an abundant number, since it is smaller than the sum of its proper divisors (2484624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1374144 is a wasteful number, since it uses less digits than its factorization.
1374144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453 (or 443 counting only the distinct ones).
The product of its digits is 1344, while the sum is 24.
The square root of 1374144 is about 1172.2388835046. The cubic root of 1374144 is about 111.1759242600.
Adding to 1374144 its reverse (4414731), we get a palindrome (5788875).
The spelling of 1374144 in words is "one million, three hundred seventy-four thousand, one hundred forty-four".
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