1768138214 has 16 divisors (see below), whose sum is σ = 2851200000. Its totient is φ = 819718344.

The previous prime is 1768138187. The next prime is 1768138223. The reversal of 1768138214 is 4128318671.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493214 + ... + 496785.

It is an arithmetic number, because the mean of its divisors is an integer number (178200000).

Almost surely, 2^1768138214 is an apocalyptic number.

1768138214 is a deficient number, since it is larger than the sum of its proper divisors (1083061786).

1768138214 is a wasteful number, since it uses less digits than its factorization.

1768138214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990067.

The product of its digits is 64512, while the sum is 41.

The square root of 1768138214 is about 42049.2355935277. The cubic root of 1768138214 is about 1209.2202279609.

The spelling of 1768138214 in words is "one billion, seven hundred sixty-eight million, one hundred thirty-eight thousand, two hundred fourteen".