1368144 has 40 divisors (see below), whose sum is σ = 3928320. Its totient is φ = 455904.

The previous prime is 1368127. The next prime is 1368161. The reversal of 1368144 is 4418631.

It is an interprime number because it is at equal distance from previous prime (1368127) and next prime (1368161).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (98208).

2^1368144 is an apocalyptic number.

It is an amenable number.

1368144 is an abundant number, since it is smaller than the sum of its proper divisors (2560176).

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

1368144 is a wasteful number, since it uses less digits than its factorization.

1368144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184 (or 3172 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1368144 is about 1169.6768784583. The cubic root of 1368144 is about 111.0138770087.

The spelling of 1368144 in words is "one million, three hundred sixty-eight thousand, one hundred forty-four".