1336144 has 30 divisors (see below), whose sum is σ = 2704254. Its totient is φ = 639360.

The previous prime is 1336141. The next prime is 1336151. The reversal of 1336144 is 4416331.

It can be written as a sum of positive squares in 3 ways, for example, as 360000 + 976144 = 600^2 + 988^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21874 + ... + 21934.

2^1336144 is an apocalyptic number.

It is an amenable number.

1336144 is an abundant number, since it is smaller than the sum of its proper divisors (1368110).

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

1336144 is an equidigital number, since it uses as much as digits as its factorization.

1336144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 100 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1336144 is about 1155.9169520342. The cubic root of 1336144 is about 110.1415258240.

The spelling of 1336144 in words is "one million, three hundred thirty-six thousand, one hundred forty-four".