1420285702185 has 80 divisors (see below), whose sum is σ = 2911677664896. Its totient is φ = 648833732352.

The previous prime is 1420285702163. The next prime is 1420285702223. The reversal of 1420285702185 is 5812075820241.

1420285702185 is a `hidden beast` number, since 1 + 42 + 0 + 28 + 570 + 2 + 18 + 5 = 666.

It is not a de Polignac number, because 1420285702185 - 2⁵ = 1420285702153 is a prime.

It is a super-2 number, since 2×1420285702185² (a number of 25 digits) 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 1420285702185.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4035397 + ... + 4373213.

Almost surely, 2^{1420285702185} is an apocalyptic number.

1420285702185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420285702185 is an abundant number, since it is smaller than the sum of its proper divisors (1491391962711).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420285702185 is a wasteful number, since it uses less digits than its factorization.

1420285702185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339324 (or 339315 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 1420285702185 in words is "one trillion, four hundred twenty billion, two hundred eighty-five million, seven hundred two thousand, one hundred eighty-five".