1340064 has 120 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 397440.

The previous prime is 1340047. The next prime is 1340069. The reversal of 1340064 is 4600431.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1340069) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28489 + ... + 28535.

2^1340064 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 1340064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195424).

1340064 is an abundant number, since it is smaller than the sum of its proper divisors (3050784).

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

1340064 is a wasteful number, since it uses less digits than its factorization.

1340064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1340064 is about 1157.6113337386. The cubic root of 1340064 is about 110.2491322992.

Adding to 1340064 its reverse (4600431), we get a palindrome (5940495).

The spelling of 1340064 in words is "one million, three hundred forty thousand, sixty-four".