1365066103 has 4 divisors (see below), whose sum is σ = 1377146448. Its totient is φ = 1352985760.

The previous prime is 1365066091. The next prime is 1365066137. The reversal of 1365066103 is 3016605631.

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

It is a cyclic number.

It is not a de Polignac number, because 1365066103 - 2⁵ = 1365066071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365066193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6040003 + ... + 6040228.

It is an arithmetic number, because the mean of its divisors is an integer number (344286612).

Almost surely, 2^1365066103 is an apocalyptic number.

1365066103 is a deficient number, since it is larger than the sum of its proper divisors (12080345).

1365066103 is a wasteful number, since it uses less digits than its factorization.

1365066103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080344.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1365066103 is about 36946.8009846590. The cubic root of 1365066103 is about 1109.3056564398.

The spelling of 1365066103 in words is "one billion, three hundred sixty-five million, sixty-six thousand, one hundred three".