1361535 has 16 divisors (see below), whose sum is σ = 2489856. Its totient is φ = 622368.

The previous prime is 1361533. The next prime is 1361573. The reversal of 1361535 is 5351631.

It is not a de Polignac number, because 1361535 - 2¹ = 1361533 is a prime.

1361535 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6379 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (155616).

2^1361535 is an apocalyptic number.

1361535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1361535 is a deficient number, since it is larger than the sum of its proper divisors (1128321).

1361535 is a wasteful number, since it uses less digits than its factorization.

1361535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12982.

The product of its digits is 1350, while the sum is 24.

The square root of 1361535 is about 1166.8483191915. The cubic root of 1361535 is about 110.8348326755.

The spelling of 1361535 in words is "one million, three hundred sixty-one thousand, five hundred thirty-five".