134851818 has 8 divisors (see below), whose sum is σ = 269703648. Its totient is φ = 44950604.

The previous prime is 134851817. The next prime is 134851831. The reversal of 134851818 is 818158431.

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

134851818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (134851817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11237646 + ... + 11237657.

It is an arithmetic number, because the mean of its divisors is an integer number (33712956).

Almost surely, 2^134851818 is an apocalyptic number.

134851818 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.

134851818 is a wasteful number, since it uses less digits than its factorization.

134851818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22475308.

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

The square root of 134851818 is about 11612.5715498334. The cubic root of 134851818 is about 512.8050207273.

The spelling of 134851818 in words is "one hundred thirty-four million, eight hundred fifty-one thousand, eight hundred eighteen".