1366152026 has 4 divisors (see below), whose sum is σ = 2049228042. Its totient is φ = 683076012.

The previous prime is 1366152023. The next prime is 1366152037. The reversal of 1366152026 is 6202516631.

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

It can be written as a sum of positive squares in only one way, i.e., 1231939801 + 134212225 = 35099^2 + 11585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1366151983 and 1366152001.

It is not an unprimeable number, because it can be changed into a prime (1366152023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341538005 + ... + 341538008.

Almost surely, 2^1366152026 is an apocalyptic number.

1366152026 is a deficient number, since it is larger than the sum of its proper divisors (683076016).

1366152026 is an equidigital number, since it uses as much as digits as its factorization.

1366152026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683076015.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1366152026 is about 36961.4938280368. The cubic root of 1366152026 is about 1109.5997328551.

Adding to 1366152026 its reverse (6202516631), we get a palindrome (7568668657).

The spelling of 1366152026 in words is "one billion, three hundred sixty-six million, one hundred fifty-two thousand, twenty-six".