134921818 has 8 divisors (see below), whose sum is σ = 211182048. Its totient is φ = 64527804.

The previous prime is 134921803. The next prime is 134921837. The reversal of 134921818 is 818129431.

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

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, 1466496 + ... + 1466587.

It is an arithmetic number, because the mean of its divisors is an integer number (26397756).

Almost surely, 2^134921818 is an apocalyptic number.

134921818 is a deficient number, since it is larger than the sum of its proper divisors (76260230).

134921818 is a wasteful number, since it uses less digits than its factorization.

134921818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933108.

The product of its digits is 13824, while the sum is 37.

The square root of 134921818 is about 11615.5851337761. The cubic root of 134921818 is about 512.8937357397.

The spelling of 134921818 in words is "one hundred thirty-four million, nine hundred twenty-one thousand, eight hundred eighteen".