1420188153285 has 32 divisors (see below), whose sum is σ = 2624689982592. Its totient is φ = 648071598080.

The previous prime is 1420188153283. The next prime is 1420188153331. The reversal of 1420188153285 is 5823518810241.

It is not a de Polignac number, because 1420188153285 - 2¹ = 1420188153283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420188153283) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 253150164 + ... + 253155773.

It is an arithmetic number, because the mean of its divisors is an integer number (82021561956).

Almost surely, 2^{1420188153285} is an apocalyptic number.

1420188153285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420188153285 is a deficient number, since it is larger than the sum of its proper divisors (1204501829307).

1420188153285 is a wasteful number, since it uses less digits than its factorization.

1420188153285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506305973.

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 1420188153285 in words is "one trillion, four hundred twenty billion, one hundred eighty-eight million, one hundred fifty-three thousand, two hundred eighty-five".