1361135 has 4 divisors (see below), whose sum is σ = 1633368. Its totient is φ = 1088904.

The previous prime is 1361131. The next prime is 1361137. The reversal of 1361135 is 5311631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1361135 - 2² = 1361131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136109 + ... + 136118.

It is an arithmetic number, because the mean of its divisors is an integer number (408342).

2^1361135 is an apocalyptic number.

1361135 is a deficient number, since it is larger than the sum of its proper divisors (272233).

1361135 is an equidigital number, since it uses as much as digits as its factorization.

1361135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272232.

The product of its digits is 270, while the sum is 20.

The square root of 1361135 is about 1166.6769047170. The cubic root of 1361135 is about 110.8239777029.

Adding to 1361135 its reverse (5311631), we get a palindrome (6672766).

The spelling of 1361135 in words is "one million, three hundred sixty-one thousand, one hundred thirty-five".