514138818 has 8 divisors (see below), whose sum is σ = 1028277648. Its totient is φ = 171379604.

The previous prime is 514138777. The next prime is 514138853. The reversal of 514138818 is 818831415.

It is a sphenic number, since it is the product of 3 distinct primes.

514138818 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42844896 + ... + 42844907.

It is an arithmetic number, because the mean of its divisors is an integer number (128534706).

Almost surely, 2^514138818 is an apocalyptic number.

514138818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

514138818 is a wasteful number, since it uses less digits than its factorization.

514138818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85689808.

The product of its digits is 30720, while the sum is 39.

The square root of 514138818 is about 22674.6293905766. The cubic root of 514138818 is about 801.1124201431.

The spelling of 514138818 in words is "five hundred fourteen million, one hundred thirty-eight thousand, eight hundred eighteen".