1341540 has 72 divisors (see below), whose sum is σ = 4226040. Its totient is φ = 344064.

The previous prime is 1341539. The next prime is 1341547. The reversal of 1341540 is 451431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 509796 + 831744 = 714^2 + 912^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1341547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5092 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (58695).

2^1341540 is an apocalyptic number.

1341540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1341540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113020).

1341540 is an abundant number, since it is smaller than the sum of its proper divisors (2884500).

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

1341540 is a wasteful number, since it uses less digits than its factorization.

1341540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1341540 is about 1158.2486779617. The cubic root of 1341540 is about 110.2895950459.

Adding to 1341540 its reverse (451431), we get a palindrome (1792971).

It can be divided in two parts, 1341 and 540, that added together give a palindrome (1881).

The spelling of 1341540 in words is "one million, three hundred forty-one thousand, five hundred forty".