1818453820135 has 16 divisors (see below), whose sum is σ = 2186090090496. Its totient is φ = 1452133492128.

The previous prime is 1818453820129. The next prime is 1818453820189. The reversal of 1818453820135 is 5310283548181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1818453820135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20298912 + ... + 20388298.

It is an arithmetic number, because the mean of its divisors is an integer number (136630630656).

Almost surely, 2^{1818453820135} is an apocalyptic number.

1818453820135 is a deficient number, since it is larger than the sum of its proper divisors (367636270361).

1818453820135 is an equidigital number, since it uses as much as digits as its factorization.

1818453820135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96702.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 1818453820135 in words is "one trillion, eight hundred eighteen billion, four hundred fifty-three million, eight hundred twenty thousand, one hundred thirty-five".