1360405685 has 8 divisors (see below), whose sum is σ = 1632705720. Its totient is φ = 1088178624.

The previous prime is 1360405667. The next prime is 1360405687. The reversal of 1360405685 is 5865040631.

It can be written as a sum of positive squares in 4 ways, for example, as 163660849 + 1196744836 = 12793^2 + 34594^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1360405685 - 2²⁴ = 1343628469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1360405687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39251 + ... + 65279.

It is an arithmetic number, because the mean of its divisors is an integer number (204088215).

Almost surely, 2^1360405685 is an apocalyptic number.

It is an amenable number.

1360405685 is a deficient number, since it is larger than the sum of its proper divisors (272300035).

1360405685 is a wasteful number, since it uses less digits than its factorization.

1360405685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36487.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1360405685 is about 36883.6777585967. The cubic root of 1360405685 is about 1108.0418049213.

The spelling of 1360405685 in words is "one billion, three hundred sixty million, four hundred five thousand, six hundred eighty-five".