1366137 has 12 divisors (see below), whose sum is σ = 2089620. Its totient is φ = 857088.

The previous prime is 1366121. The next prime is 1366159. The reversal of 1366137 is 7316631.

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 881721 = 696^2 + 939^2 .

It is not a de Polignac number, because 1366137 - 2⁴ = 1366121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366137.

It is not an unprimeable number, because it can be changed into a prime (1366117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4312 + ... + 4617.

It is an arithmetic number, because the mean of its divisors is an integer number (174135).

2^1366137 is an apocalyptic number.

1366137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1366137 is a deficient number, since it is larger than the sum of its proper divisors (723483).

1366137 is a wasteful number, since it uses less digits than its factorization.

1366137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952 (or 8949 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 1366137 is about 1168.8186343484. The cubic root of 1366137 is about 110.9595664761.

The spelling of 1366137 in words is "one million, three hundred sixty-six thousand, one hundred thirty-seven".