1366536105 has 48 divisors (see below), whose sum is σ = 2602716480. Its totient is φ = 657763200.

The previous prime is 1366536089. The next prime is 1366536113. The reversal of 1366536105 is 5016356631.

1366536105 is a `hidden beast` number, since 1 + 36 + 6 + 5 + 3 + 610 + 5 = 666.

It is not a de Polignac number, because 1366536105 - 2⁴ = 1366536089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1366536105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58875 + ... + 78735.

It is an arithmetic number, because the mean of its divisors is an integer number (54223260).

Almost surely, 2^1366536105 is an apocalyptic number.

1366536105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1366536105 is a deficient number, since it is larger than the sum of its proper divisors (1236180375).

1366536105 is a wasteful number, since it uses less digits than its factorization.

1366536105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022 (or 20019 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 1366536105 is about 36966.6891268342. The cubic root of 1366536105 is about 1109.7037071361.

It can be divided in two parts, 13665 and 36105, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 1366536105 in words is "one billion, three hundred sixty-six million, five hundred thirty-six thousand, one hundred five".