1366265442536 has 32 divisors (see below), whose sum is σ = 2565248400000. Its totient is φ = 682199831040.

The previous prime is 1366265442527. The next prime is 1366265442551. The reversal of 1366265442536 is 6352445626631.

It is a super-3 number, since 3×1366265442536³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18057761 + ... + 18133263.

It is an arithmetic number, because the mean of its divisors is an integer number (80164012500).

Almost surely, 2^{1366265442536} is an apocalyptic number.

It is an amenable number.

1366265442536 is a deficient number, since it is larger than the sum of its proper divisors (1198982957464).

1366265442536 is a wasteful number, since it uses less digits than its factorization.

1366265442536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78569 (or 78565 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 53.

The spelling of 1366265442536 in words is "one trillion, three hundred sixty-six billion, two hundred sixty-five million, four hundred forty-two thousand, five hundred thirty-six".