1364185485 has 72 divisors (see below), whose sum is σ = 2705419080. Its totient is φ = 632014848.

The previous prime is 1364185483. The next prime is 1364185489. The reversal of 1364185485 is 5845814631.

It can be written as a sum of positive squares in 12 ways, for example, as 610188804 + 753996681 = 24702^2 + 27459^2 .

It is not a de Polignac number, because 1364185485 - 2¹ = 1364185483 is a prime.

It is a super-2 number, since 2×1364185485² = 3722004074969370450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1364185485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364185483) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 165031 + ... + 173099.

It is an arithmetic number, because the mean of its divisors is an integer number (37575265).

Almost surely, 2^1364185485 is an apocalyptic number.

1364185485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1364185485 is a deficient number, since it is larger than the sum of its proper divisors (1341233595).

1364185485 is a wasteful number, since it uses less digits than its factorization.

1364185485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8127 (or 8107 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 1364185485 is about 36934.8816838500. The cubic root of 1364185485 is about 1109.0670636797.

The spelling of 1364185485 in words is "one billion, three hundred sixty-four million, one hundred eighty-five thousand, four hundred eighty-five".