1366135085 has 8 divisors (see below), whose sum is σ = 1873556736. Its totient is φ = 936778320.

The previous prime is 1366135081. The next prime is 1366135123. The reversal of 1366135085 is 5805316631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1366135085 - 2² = 1366135081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366135081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19516181 + ... + 19516250.

It is an arithmetic number, because the mean of its divisors is an integer number (234194592).

Almost surely, 2^1366135085 is an apocalyptic number.

It is an amenable number.

1366135085 is a deficient number, since it is larger than the sum of its proper divisors (507421651).

1366135085 is an equidigital number, since it uses as much as digits as its factorization.

1366135085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39032443.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1366135085 is about 36961.2646563940. The cubic root of 1366135085 is about 1109.5951462970.

The spelling of 1366135085 in words is "one billion, three hundred sixty-six million, one hundred thirty-five thousand, eighty-five".