1361140 has 48 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 471680.

The previous prime is 1361137. The next prime is 1361149. The reversal of 1361140 is 411631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4926 + ... + 5194.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1361140 is an apocalyptic number.

1361140 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 1361140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

1361140 is an abundant number, since it is smaller than the sum of its proper divisors (1904780).

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

1361140 is a wasteful number, since it uses less digits than its factorization.

1361140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1361140 is about 1166.6790475534. The cubic root of 1361140 is about 110.8241134032.

Adding to 1361140 its reverse (411631), we get a palindrome (1772771).

The spelling of 1361140 in words is "one million, three hundred sixty-one thousand, one hundred forty".