1817718316134 has 48 divisors (see below), whose sum is σ = 4365395951616. Its totient is φ = 502594923600.

The previous prime is 1817718316123. The next prime is 1817718316153. The reversal of 1817718316134 is 4316138177181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99712102 + ... + 99730329.

It is an arithmetic number, because the mean of its divisors is an integer number (90945748992).

Almost surely, 2^{1817718316134} is an apocalyptic number.

1817718316134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1817718316134 is an abundant number, since it is smaller than the sum of its proper divisors (2547677635482).

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

1817718316134 is a wasteful number, since it uses less digits than its factorization.

1817718316134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199442481 (or 199442474 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The spelling of 1817718316134 in words is "one trillion, eight hundred seventeen billion, seven hundred eighteen million, three hundred sixteen thousand, one hundred thirty-four".